{"title":"Roof Fans","description":"","products":[{"product_id":"systemair-raw-roof-cowl-300-315","title":"Systemair RAW Roof Cowl 300\/315","description":"\u003cp data-start=\"420\" data-end=\"906\"\u003eThe Systemair RAW Roof Cowl 300\/315 is engineered for effective rooftop ventilation in commercial and industrial buildings. It ensures efficient exhaust of stale air while preventing rain, debris, and pests from entering the HVAC system. Constructed from corrosion-resistant, durable materials, the RAW Roof Cowl maintains optimal airflow and energy efficiency. Its aerodynamic design minimizes noise, making it ideal for roof-mounted ventilation applications in various environments.\u003c\/p\u003e\n\u003chr data-start=\"908\" data-end=\"911\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"913\" data-end=\"926\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"927\" data-end=\"1100\"\u003e\n\u003cli data-section-id=\"12hxje9\" data-start=\"927\" data-end=\"979\"\u003e\n\u003cp data-start=\"929\" data-end=\"979\"\u003eGalvanized steel or corrosion-resistant aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qd7wy7\" data-start=\"980\" data-end=\"1016\"\u003e\n\u003cp data-start=\"982\" data-end=\"1016\"\u003eWeatherproof protective coatings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"he10g3\" data-start=\"1017\" data-end=\"1058\"\u003e\n\u003cp data-start=\"1019\" data-end=\"1058\"\u003eIndustrial-grade durable construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f1jx4o\" data-start=\"1059\" data-end=\"1100\"\u003e\n\u003cp data-start=\"1061\" data-end=\"1100\"\u003eUV and corrosion-resistant components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349117051205,"sku":null,"price":560.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairRAWRoofCowl1000_76f3fd11-4f99-4395-a141-00d4d1b7d8e1.png?v=1773175684"},{"product_id":"systemair-raw-roof-cowl-200-250","title":"Systemair RAW Roof Cowl 200\/250","description":"\u003cp data-start=\"420\" data-end=\"917\"\u003eThe Systemair RAW Roof Cowl 200\/250 is designed to provide effective rooftop ventilation for commercial and industrial HVAC systems. It ensures efficient exhaust of stale air while preventing rain, debris, and pests from entering the system. Constructed from durable, corrosion-resistant materials, the RAW Roof Cowl maintains optimal airflow and energy efficiency. Its aerodynamic design minimizes noise, making it a reliable and long-lasting solution for roof-mounted ventilation applications.\u003c\/p\u003e\n\u003chr data-start=\"919\" data-end=\"922\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"924\" data-end=\"937\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"938\" data-end=\"1111\"\u003e\n\u003cli data-section-id=\"12hxje9\" data-start=\"938\" data-end=\"990\"\u003e\n\u003cp data-start=\"940\" data-end=\"990\"\u003eGalvanized steel or corrosion-resistant aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qd7wy7\" data-start=\"991\" data-end=\"1027\"\u003e\n\u003cp data-start=\"993\" data-end=\"1027\"\u003eWeatherproof protective coatings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"he10g3\" data-start=\"1028\" data-end=\"1069\"\u003e\n\u003cp data-start=\"1030\" data-end=\"1069\"\u003eIndustrial-grade durable construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f1jx4o\" data-start=\"1070\" data-end=\"1111\"\u003e\n\u003cp data-start=\"1072\" data-end=\"1111\"\u003eUV and corrosion-resistant components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349241930053,"sku":null,"price":423.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairRAWRoofCowl1000_367e8d42-59c3-4d6f-a1d4-2713b22a7ce6.png?v=1773176248"},{"product_id":"s-p-crht-4-450-450mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-450 450mm Roof-Mounted Fan","description":"\u003cp data-start=\"398\" data-end=\"959\"\u003eThe S\u0026amp;P CRHT\/4-450 450mm Roof-Mounted Fan is a high-performance ventilation solution designed for commercial and industrial buildings. Its low-profile roof-mounted design efficiently extracts stale air, heat, and fumes from ventilation systems. The fan features a durable galvanized steel base and aluminium weather cowl to withstand harsh outdoor conditions. Equipped with a high-efficiency backward curved impeller and an external rotor motor, it delivers reliable airflow performance with low maintenance requirements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"961\" data-end=\"964\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"966\" data-end=\"979\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"980\" data-end=\"1166\"\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"980\" data-end=\"1014\"\u003e\n\u003cp data-start=\"982\" data-end=\"1014\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6ny2tc\" data-start=\"1015\" data-end=\"1046\"\u003e\n\u003cp data-start=\"1017\" data-end=\"1046\"\u003eAluminium weatherproof cowl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"onzsw7\" data-start=\"1047\" data-end=\"1097\"\u003e\n\u003cp data-start=\"1049\" data-end=\"1097\"\u003eHigh-efficiency aluminium centrifugal imp\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349815566661,"sku":null,"price":1243.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/5136912900_47e5e392-6242-42e0-b662-cd55351f2577.jpg?v=1773182947"},{"product_id":"s-p-crht-4-500-500mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-500 500mm Roof-Mounted Fan","description":"\u003cp data-start=\"392\" data-end=\"972\"\u003eThe \u003cstrong data-start=\"396\" data-end=\"437\"\u003eS\u0026amp;P CRHT\/4-500 500mm Roof-Mounted Fan\u003c\/strong\u003e is designed for reliable ventilation in commercial and industrial buildings. Its low-profile roof-mounted design efficiently extracts stale air, heat, and fumes from ventilation systems. The fan features a galvanized steel base and an aluminium weatherproof cowl for durability in outdoor conditions. Equipped with a high-efficiency backward curved centrifugal impeller and an external rotor motor, it delivers powerful airflow while maintaining low energy consumption and dependable operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"974\" data-end=\"977\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"979\" data-end=\"992\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"993\" data-end=\"1232\"\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"993\" data-end=\"1027\"\u003e\n\u003cp data-start=\"995\" data-end=\"1027\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5djsiv\" data-start=\"1028\" data-end=\"1065\"\u003e\n\u003cp data-start=\"1030\" data-end=\"1065\"\u003eAluminium weather protection cowl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15d8txn\" data-start=\"1066\" data-end=\"1116\"\u003e\n\u003cp data-start=\"1068\" data-end=\"1116\"\u003eAluminium backward curved centrifugal impeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qz8ull\" data-start=\"1117\" data-end=\"1150\"\u003e\n\u003cp data-start=\"1119\" data-end=\"1150\"\u003eExternal rotor electric motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"toadou\" data-start=\"1151\" data-end=\"1232\"\u003e\n\u003cp data-start=\"1153\" data-end=\"1232\"\u003eCorrosion-resistant galvanized hardware \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_41a_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349823562053,"sku":null,"price":2291.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHT4-450450mmRoof-MountedFan.png?v=1773183017"},{"product_id":"s-p-crht-4-560-560mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-560 560mm Roof-Mounted Fan","description":"\u003cp data-start=\"386\" data-end=\"981\"\u003eThe \u003cstrong data-start=\"390\" data-end=\"431\"\u003eS\u0026amp;P CRHT\/4-560 560mm Roof-Mounted Fan\u003c\/strong\u003e is designed for efficient air extraction in commercial and industrial ventilation systems. Its low-profile roof-mounted design provides reliable removal of heat, fumes, and stale air from large spaces. The unit features a galvanized steel base and an aluminium weatherproof cowl for long-term outdoor durability. Equipped with a high-efficiency backward curved centrifugal impeller and an external rotor motor, it delivers strong airflow performance while maintaining low maintenance and dependable operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"983\" data-end=\"986\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"988\" data-end=\"1001\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1002\" data-end=\"1246\"\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"1002\" data-end=\"1036\"\u003e\n\u003cp data-start=\"1004\" data-end=\"1036\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jo9m8v\" data-start=\"1037\" data-end=\"1079\"\u003e\n\u003cp data-start=\"1039\" data-end=\"1079\"\u003eSpun aluminium weather protection cowl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15d8txn\" data-start=\"1080\" data-end=\"1130\"\u003e\n\u003cp data-start=\"1082\" data-end=\"1130\"\u003eAluminium backward curved centrifugal impeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qz8ull\" data-start=\"1131\" data-end=\"1164\"\u003e\n\u003cp data-start=\"1133\" data-end=\"1164\"\u003eExternal rotor electric motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"toadou\" data-start=\"1165\" data-end=\"1246\"\u003e\n\u003cp data-start=\"1167\" data-end=\"1246\"\u003eCorrosion-resistant galvanized hardware \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349829329221,"sku":null,"price":2552.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHT4-450450mmRoof-MountedFan_ff8d5d6f-c9a2-4026-b72f-40f2f44b3e1c.png?v=1773183091"},{"product_id":"s-p-crvb-4-500n-500mm-roof-mounted-ventilation-fan","title":"S\u0026P CRVB\/4-500N 500mm Roof-Mounted Ventilation Fan","description":"\u003cp data-start=\"392\" data-end=\"1001\"\u003eThe \u003cstrong data-start=\"396\" data-end=\"450\"\u003eS\u0026amp;P CRVB\/4-500N 500mm Roof-Mounted Ventilation Fan\u003c\/strong\u003e is designed for efficient air extraction in commercial and industrial buildings. It features a vertical discharge centrifugal design that removes heat, smoke, and stale air effectively from ventilation systems. The fan includes a galvanized steel mounting base and a spun aluminium weatherproof cowl for durability in outdoor environments. Equipped with a backward curved centrifugal impeller and external rotor motor, it delivers high airflow performance with low maintenance and reliable long-term operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1003\" data-end=\"1006\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1008\" data-end=\"1021\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1022\" data-end=\"1251\"\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"1022\" data-end=\"1056\"\u003e\n\u003cp data-start=\"1024\" data-end=\"1056\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y259x4\" data-start=\"1057\" data-end=\"1093\"\u003e\n\u003cp data-start=\"1059\" data-end=\"1093\"\u003eSpun aluminium weatherproof cowl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17azbc6\" data-start=\"1094\" data-end=\"1144\"\u003e\n\u003cp data-start=\"1096\" data-end=\"1144\"\u003eAluminium backward-curved centrifugal impeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"34rbxk\" data-start=\"1145\" data-end=\"1172\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1172\"\u003eExternal rotor AC motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s3bo9o\" data-start=\"1173\" data-end=\"1251\"\u003e\n\u003cp data-start=\"1175\" data-end=\"1251\"\u003eCorrosion-resistant metal components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349865668933,"sku":null,"price":2413.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRVB4-500N500mmRoof-MountedVentilationFan.png?v=1773183287"},{"product_id":"s-p-th-2000-mixvent-315mm-roof-mounted-fan","title":"S\u0026P TH-2000 MIXVENT 315mm Roof-Mounted Fan","description":"\u003cp data-start=\"395\" data-end=\"1041\"\u003eThe \u003cstrong data-start=\"399\" data-end=\"445\"\u003eS\u0026amp;P TH-2000 MIXVENT 315mm Roof-Mounted Fan\u003c\/strong\u003e is a high-efficiency mixed-flow ventilation unit designed for commercial and industrial applications. It provides strong airflow performance while maintaining compact roof-mounted installation. The fan features a galvanized steel housing with an aluminium weatherproof hood for outdoor durability. Equipped with a reliable single-phase motor and mixed-flow impeller, it delivers efficient air extraction or supply for ventilation systems connected to round ducting. The motor and impeller assembly can be rotated to change airflow direction when required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1043\" data-end=\"1046\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1048\" data-end=\"1061\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1062\" data-end=\"1303\"\u003e\n\u003cli data-section-id=\"s2z9ho\" data-start=\"1062\" data-end=\"1096\"\u003e\n\u003cp data-start=\"1064\" data-end=\"1096\"\u003eGalvanized sheet steel housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e2si33\" data-start=\"1097\" data-end=\"1133\"\u003e\n\u003cp data-start=\"1099\" data-end=\"1133\"\u003eAluminium weatherproof roof hood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18wpe6f\" data-start=\"1134\" data-end=\"1163\"\u003e\n\u003cp data-start=\"1136\" data-end=\"1163\"\u003eSteel mixed-flow impeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"483pao\" data-start=\"1164\" data-end=\"1219\"\u003e\n\u003cp data-start=\"1166\" data-end=\"1219\"\u003eBall-bearing electric motor with thermal protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xmt8ip\" data-start=\"1220\" data-end=\"1303\"\u003e\n\u003cp data-start=\"1222\" data-end=\"1303\"\u003eEpoxy-polyester weather-resistant coating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349906202949,"sku":null,"price":773.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PTH-2000MIXVENT315mmRoof-MountedFan.png?v=1773183439"},{"product_id":"elta-clearflow-cf350-single-phase-ac-roof-fan-350mm","title":"Elta Clearflow CF350 Single Phase AC Roof Fan - 350mm","description":"\u003cp data-start=\"419\" data-end=\"1111\"\u003eThe \u003cstrong data-start=\"423\" data-end=\"480\"\u003eElta Clearflow CF350 Single Phase AC Roof Fan – 350mm\u003c\/strong\u003e is a robust roof‑mounted vertical discharge centrifugal ventilation unit from the Clearflow CF range. Designed for commercial and industrial HVAC applications, it features a durable pre‑galvanised steel casing with an advanced backward‑curved impeller to deliver efficient airflow and reliable performance. The vertical discharge design helps project exhaust air away from buildings, reducing recirculation of odours and contaminants. Suitable for mounting on flat or pitched roofs (up to approximately 30°), it includes a bird guard as standard for weather protection and easy maintenance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1113\" data-end=\"1116\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1118\" data-end=\"1131\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1132\" data-end=\"1484\"\u003e\n\u003cli data-section-id=\"f30y6g\" data-start=\"1132\" data-end=\"1197\"\u003e\n\u003cp data-start=\"1134\" data-end=\"1197\"\u003ePre‑galvanised sheet steel casing for long‑lasting durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"azny6r\" data-start=\"1198\" data-end=\"1260\"\u003e\n\u003cp data-start=\"1200\" data-end=\"1260\"\u003eBackward‑curved centrifugal impeller for efficient airflow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"afgrn9\" data-start=\"1261\" data-end=\"1327\"\u003e\n\u003cp data-start=\"1263\" data-end=\"1327\"\u003eWeather‑resistant wind guard and bird guard fitted as standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19kwblg\" data-start=\"1328\" data-end=\"1381\"\u003e\n\u003cp data-start=\"1330\" data-end=\"1381\"\u003eAC external rotor motor with sealed ball bearings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gv90ns\" data-start=\"1382\" data-end=\"1484\"\u003e\n\u003cp data-start=\"1384\" data-end=\"1484\"\u003eDesigned for continuous operation in commercial environments \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1486\" data-end=\"1489\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1491\" data-end=\"1508\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1510\" data-end=\"2348\"\u003e\n\u003cli data-section-id=\"1jx7yts\" data-start=\"1510\" data-end=\"1575\"\u003e\n\u003cp data-start=\"1512\" data-end=\"1575\"\u003e\u003cstrong data-start=\"1512\" data-end=\"1529\"\u003eProduct Type:\u003c\/strong\u003e Roof‑Mounted Centrifugal Fan (Clearflow CF)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15v0q75\" data-start=\"1576\" data-end=\"1624\"\u003e\n\u003cp data-start=\"1578\" data-end=\"1624\"\u003e\u003cstrong data-start=\"1578\" data-end=\"1588\"\u003eModel:\u003c\/strong\u003e \u003cstrong data-start=\"1589\" data-end=\"1604\"\u003eCF350\/4‑1AC\u003c\/strong\u003e (Single Phase AC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"loisi2\" data-start=\"1625\" data-end=\"1657\"\u003e\n\u003cp data-start=\"1627\" data-end=\"1657\"\u003e\u003cstrong data-start=\"1627\" data-end=\"1644\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1645\" data-end=\"1655\"\u003e350 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x2htcx\" data-start=\"1658\" data-end=\"1701\"\u003e\n\u003cp data-start=\"1660\" data-end=\"1701\"\u003e\u003cstrong data-start=\"1660\" data-end=\"1675\"\u003eMotor Type:\u003c\/strong\u003e AC external rotor motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6zja79\" data-start=\"1702\" data-end=\"1743\"\u003e\n\u003cp data-start=\"1704\" data-end=\"1743\"\u003e\u003cstrong data-start=\"1704\" data-end=\"1716\"\u003eVoltage:\u003c\/strong\u003e 230–240V Single Phase AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"89wsjh\" data-start=\"1744\" data-end=\"1789\"\u003e\n\u003cp data-start=\"1746\" data-end=\"1789\"\u003e\u003cstrong data-start=\"1746\" data-end=\"1766\"\u003eCasing Material:\u003c\/strong\u003e Pre‑galvanised steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"p0qzz\" data-start=\"1790\" data-end=\"1865\"\u003e\n\u003cp data-start=\"1792\" data-end=\"1865\"\u003e\u003cstrong data-start=\"1792\" data-end=\"1805\"\u003eImpeller:\u003c\/strong\u003e Backward‑curved aerofoil blades for efficient performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"p3q046\" data-start=\"1866\" data-end=\"1935\"\u003e\n\u003cp data-start=\"1868\" data-end=\"1935\"\u003e\u003cstrong data-start=\"1868\" data-end=\"1880\"\u003eAirflow:\u003c\/strong\u003e Vertical discharge to project air away from building\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1d03xr4\" data-start=\"1936\" data-end=\"2013\"\u003e\n\u003cp data-start=\"1938\" data-end=\"2013\"\u003e\u003cstrong data-start=\"1938\" data-end=\"1955\"\u003eInstallation:\u003c\/strong\u003e Roof mounted; can be fitted to pitched roofs up to ~30°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rnul90\" data-start=\"2014\" data-end=\"2078\"\u003e\n\u003cp data-start=\"2016\" data-end=\"2078\"\u003e\u003cstrong data-start=\"2016\" data-end=\"2031\"\u003eProtection:\u003c\/strong\u003e Bird guard and wind guard fitted as standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1avgsf1\" data-start=\"2079\" data-end=\"2133\"\u003e\n\u003cp data-start=\"2081\" data-end=\"2133\"\u003e\u003cstrong data-start=\"2081\" data-end=\"2100\"\u003eOperating Temp:\u003c\/strong\u003e Typically suitable up to +60°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353331704133,"sku":null,"price":973.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/EltaCF450Three-PhaseACRoofFan-450mm_eaa11628-cc88-4ab3-9082-5be79f4e4909.png?v=1773213014"},{"product_id":"elta-clearflow-cf350-three-phase-ac-roof-fan-350mm","title":"Elta Clearflow CF350 Three-Phase AC Roof Fan - 350mm","description":"\u003cp data-start=\"411\" data-end=\"1019\"\u003eThe \u003cstrong data-start=\"415\" data-end=\"471\"\u003eElta Clearflow CF350 Three‑Phase AC Roof Fan – 350mm\u003c\/strong\u003e is a robust vertical‑discharge centrifugal fan designed for commercial and industrial roof ventilation. Part of the Clearflow CF range, it features a pre‑galvanised steel casing and backward‑curved impeller for efficient air extraction, projecting contaminants upward and away from buildings. Suitable for operation in demanding environments, this three‑phase model offers durability, strong airflow and reliable performance with transformer‑style speed control options available for stepped speed regulation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1021\" data-end=\"1024\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1026\" data-end=\"1039\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1040\" data-end=\"1437\"\u003e\n\u003cli data-section-id=\"15a03sl\" data-start=\"1040\" data-end=\"1143\"\u003e\n\u003cp data-start=\"1042\" data-end=\"1143\"\u003ePre‑galvanised sheet steel casing for long‑lasting durability \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13syzit\" data-start=\"1144\" data-end=\"1246\"\u003e\n\u003cp data-start=\"1146\" data-end=\"1246\"\u003eBackward‑curved composite impeller for efficient performance \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rj6dis\" data-start=\"1247\" data-end=\"1347\"\u003e\n\u003cp data-start=\"1249\" data-end=\"1347\"\u003eExternal AC rotor motor with sealed for life ball bearings \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"kpf8uz\" data-start=\"1348\" data-end=\"1437\"\u003e\n\u003cp data-start=\"1350\" data-end=\"1437\"\u003eWeather‑resistant wind guard fitted as standard \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1439\" data-end=\"1442\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"1444\" data-end=\"1463\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1465\" data-end=\"2994\"\u003e\n\u003cli data-section-id=\"ger46w\" data-start=\"1465\" data-end=\"1534\"\u003e\n\u003cp data-start=\"1467\" data-end=\"1534\"\u003e\u003cstrong data-start=\"1467\" data-end=\"1484\"\u003eProduct Type:\u003c\/strong\u003e Roof Mounted Vertical Discharge Centrifugal Fan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13nmfcg\" data-start=\"1535\" data-end=\"1632\"\u003e\n\u003cp data-start=\"1537\" data-end=\"1632\"\u003e\u003cstrong data-start=\"1537\" data-end=\"1547\"\u003eModel:\u003c\/strong\u003e \u003cstrong data-start=\"1548\" data-end=\"1592\"\u003eClearflow CF350 \/ 4‑3AC (Three‑Phase AC)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3yd26v\" data-start=\"1633\" data-end=\"1703\"\u003e\n\u003cp data-start=\"1635\" data-end=\"1703\"\u003e\u003cstrong data-start=\"1635\" data-end=\"1652\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1653\" data-end=\"1663\"\u003e350 mm\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rsfr9o\" data-start=\"1704\" data-end=\"1797\"\u003e\n\u003cp data-start=\"1706\" data-end=\"1797\"\u003e\u003cstrong data-start=\"1706\" data-end=\"1721\"\u003eMotor Type:\u003c\/strong\u003e Three‑Phase AC external rotor motor \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2ma7dw\" data-start=\"1798\" data-end=\"1908\"\u003e\n\u003cp data-start=\"1800\" data-end=\"1908\"\u003e\u003cstrong data-start=\"1800\" data-end=\"1812\"\u003eVoltage:\u003c\/strong\u003e 380–415V \/ 50Hz (typical industrial three‑phase supply) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ms8q9b\" data-start=\"1909\" data-end=\"1998\"\u003e\n\u003cp data-start=\"1911\" data-end=\"1998\"\u003e\u003cstrong data-start=\"1911\" data-end=\"1931\"\u003eCasing Material:\u003c\/strong\u003e Pre‑galvanised sheet steel \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5avaoy\" data-start=\"1999\" data-end=\"2110\"\u003e\n\u003cp data-start=\"2001\" data-end=\"2110\"\u003e\u003cstrong data-start=\"2001\" data-end=\"2014\"\u003eImpeller:\u003c\/strong\u003e Backward‑curved aerofoil blades for efficient airflow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353352839493,"sku":null,"price":975.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/EltaCF450Three-PhaseACRoofFan-450mm_390ded20-3153-4598-9ede-af78d4b74f56.png?v=1773213087"},{"product_id":"elta-clearflow-cf400-three-phase-ac-roof-fan-400mm","title":"Elta Clearflow CF400 Three-Phase AC Roof Fan - 400mm","description":"\u003cp data-start=\"417\" data-end=\"1126\"\u003eThe \u003cstrong data-start=\"421\" data-end=\"477\"\u003eElta Clearflow CF400 Three‑Phase AC Roof Fan – 400mm\u003c\/strong\u003e is a commercial and industrial roof‑mounted centrifugal extraction fan designed for efficient vertical discharge ventilation. Part of the Clearflow CF series, it features a heavy‑duty pre‑galvanised steel casing and backward‑curved impeller for strong, reliable airflow with minimal maintenance. The vertical discharge directs exhaust air away from buildings, reducing odours and recirculation. Built for durability and performance with transformer speed control options available for stepped speed regulation, this three‑phase AC model is ideal for factories, warehouses, kitchens, and HVAC exhaust systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1128\" data-end=\"1131\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1133\" data-end=\"1146\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1147\" data-end=\"1544\"\u003e\n\u003cli data-section-id=\"gp6da3\" data-start=\"1147\" data-end=\"1254\"\u003e\n\u003cp data-start=\"1149\" data-end=\"1254\"\u003ePre‑galvanised steel casing for durability and weather resistance \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17h7ny\" data-start=\"1255\" data-end=\"1355\"\u003e\n\u003cp data-start=\"1257\" data-end=\"1355\"\u003eBackward‑curved centrifugal impeller for efficient airflow \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1no5epa\" data-start=\"1356\" data-end=\"1457\"\u003e\n\u003cp data-start=\"1358\" data-end=\"1457\"\u003eExternal AC rotor motors with sealed bearings for long life \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ijkw5s\" data-start=\"1458\" data-end=\"1544\"\u003e\n\u003cp data-start=\"1460\" data-end=\"1544\"\u003eBird guard and wind guard fitted as standard \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1546\" data-end=\"1549\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"1551\" data-end=\"1570\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1572\" data-end=\"2944\"\u003e\n\u003cli data-section-id=\"jocc8k\" data-start=\"1572\" data-end=\"1679\"\u003e\n\u003cp data-start=\"1574\" data-end=\"1679\"\u003e\u003cstrong data-start=\"1574\" data-end=\"1591\"\u003eProduct Type:\u003c\/strong\u003e Roof‑Mounted Vertical Discharge Centrifugal Fan \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1dk4njm\" data-start=\"1680\" data-end=\"1773\"\u003e\n\u003cp data-start=\"1682\" data-end=\"1773\"\u003e\u003cstrong data-start=\"1682\" data-end=\"1692\"\u003eModel:\u003c\/strong\u003e Clearflow CF400 \/ 4‑3AC (Three‑Phase AC) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"j6th3p\" data-start=\"1774\" data-end=\"1844\"\u003e\n\u003cp data-start=\"1776\" data-end=\"1844\"\u003e\u003cstrong data-start=\"1776\" data-end=\"1793\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1794\" data-end=\"1804\"\u003e400 mm\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mtzr4c\" data-start=\"1845\" data-end=\"1938\"\u003e\n\u003cp data-start=\"1847\" data-end=\"1938\"\u003e\u003cstrong data-start=\"1847\" data-end=\"1862\"\u003eMotor Type:\u003c\/strong\u003e Three‑phase AC external rotor motor \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16n9vyu\" data-start=\"1939\" data-end=\"2044\"\u003e\n\u003cp data-start=\"1941\" data-end=\"2044\"\u003e\u003cstrong data-start=\"1941\" data-end=\"1953\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"1954\" data-end=\"1976\"\u003e380–415V AC \/ 50Hz\u003c\/strong\u003e (typical industrial supply) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yiagxb\" data-start=\"2045\" data-end=\"2136\"\u003e\n\u003cp data-start=\"2047\" data-end=\"2136\"\u003e\u003cstrong data-start=\"2047\" data-end=\"2067\"\u003eCasing Material:\u003c\/strong\u003e Pre‑galvanised sheet steel \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12mxgso\" data-start=\"2137\" data-end=\"2226\"\u003e\n\u003cp data-start=\"2139\" data-end=\"2226\"\u003e\u003cstrong data-start=\"2139\" data-end=\"2152\"\u003eImpeller:\u003c\/strong\u003e Backward‑curved aerofoil blades \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ii5ohr\" data-start=\"2227\" data-end=\"2320\"\u003e\n\u003cp data-start=\"2229\" data-end=\"2320\"\u003e\u003cstrong data-start=\"2229\" data-end=\"2241\"\u003eAirflow:\u003c\/strong\u003e Strong vertical discharge projection \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1hw8tj6\" data-start=\"2321\" data-end=\"2437\"\u003e\n\u003cp data-start=\"2323\" data-end=\"2437\"\u003e\u003cstrong data-start=\"2323\" data-end=\"2336\"\u003eMounting:\u003c\/strong\u003e Suitable for flat or pitched roofs up to approximately 30° \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tu5ti3\" data-start=\"2438\" data-end=\"2552\"\u003e\n\u003cp data-start=\"2440\" data-end=\"2552\"\u003e\u003cstrong data-start=\"2440\" data-end=\"2459\"\u003eOperating Temp:\u003c\/strong\u003e Suitable for typical HVAC applications up to +60°C \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f3y7ob\" data-start=\"2553\" data-end=\"2654\"\u003e\n\u003cp data-start=\"2555\" data-end=\"2654\"\u003e\u003cstrong data-start=\"2555\" data-end=\"2570\"\u003eProtection:\u003c\/strong\u003e Standard wind guard and bird guard fitted \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_26a_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353373450565,"sku":null,"price":1112.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/EltaCF450Three-PhaseACRoofFan-450mm_da7bc1fc-ef79-4bf3-aad9-923a26e27bee.png?v=1773213250"},{"product_id":"elta-clearflow-cfht400-400mm-three-phase-ac-roof-fan","title":"Elta Clearflow CFHT400 400mm Three-Phase AC Roof Fan","description":"\u003cp data-start=\"535\" data-end=\"1345\"\u003eThe \u003cstrong data-start=\"539\" data-end=\"598\"\u003eElta Clearflow CFHT400 Three‑Phase AC Roof Fan – 400 mm\u003c\/strong\u003e is a heavy‑duty, roof‑mounted centrifugal fan engineered for demanding industrial and commercial HVAC applications. Part of Elta’s high‑temperature \u003cstrong data-start=\"747\" data-end=\"765\"\u003eClearflow CFHT\u003c\/strong\u003e series, it combines a durable pre‑galvanised steel casing with a backward‑curved impeller to deliver powerful vertical discharge airflow. Designed for continuous duty in harsh environments—including contaminated or grease‑laden airstreams—this model supports elevated temperature operation up to \u003cstrong data-start=\"1062\" data-end=\"1073\"\u003e+120 °C\u003c\/strong\u003e and can be mounted at pitched roof angles up to \u003cstrong data-start=\"1122\" data-end=\"1129\"\u003e15°\u003c\/strong\u003e for flexible installation. High‑performance three‑phase AC power ensures consistent, reliable ventilation for factories, process areas, kitchens, and large ventilation networks. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1347\" data-end=\"1350\"\u003e\n\u003ch2 data-section-id=\"mmsur\" data-start=\"1352\" data-end=\"1381\"\u003eMaterial \u0026amp; Build Quality\u003c\/h2\u003e\n\u003cul data-start=\"1382\" data-end=\"1851\"\u003e\n\u003cli data-section-id=\"1hq8ruk\" data-start=\"1382\" data-end=\"1505\"\u003e\n\u003cp data-start=\"1384\" data-end=\"1505\"\u003ePre‑galvanised sheet steel casing for rugged durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j3i2h7\" data-start=\"1506\" data-end=\"1625\"\u003e\n\u003cp data-start=\"1508\" data-end=\"1625\"\u003eBackward‑curved centrifugal impeller optimised for strong, efficient airflow. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nu5dac\" data-start=\"1626\" data-end=\"1752\"\u003e\n\u003cp data-start=\"1628\" data-end=\"1752\"\u003eMotors located outside the airstream to resist contaminates and extend service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3upqsb\" data-start=\"1753\" data-end=\"1851\"\u003e\n\u003cp data-start=\"1755\" data-end=\"1851\"\u003eStandard wind guard fitted to reduce noise and draughts. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1853\" data-end=\"1856\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"1858\" data-end=\"1877\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1879\" data-end=\"3248\"\u003e\n\u003cli data-section-id=\"1kh6ipz\" data-start=\"1879\" data-end=\"2003\"\u003e\n\u003cp data-start=\"1881\" data-end=\"2003\"\u003e\u003cstrong data-start=\"1881\" data-end=\"1898\"\u003eProduct Type:\u003c\/strong\u003e Roof‑Mounted Vertical Discharge Centrifugal Fan (Clearflow CFHT) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1v9bin9\" data-start=\"2004\" data-end=\"2089\"\u003e\n\u003cp data-start=\"2006\" data-end=\"2089\"\u003e\u003cstrong data-start=\"2006\" data-end=\"2016\"\u003eModel:\u003c\/strong\u003e CFHT400 \/ 4‑3AC (Three‑Phase AC) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nh01zu\" data-start=\"2090\" data-end=\"2160\"\u003e\n\u003cp data-start=\"2092\" data-end=\"2160\"\u003e\u003cstrong data-start=\"2092\" data-end=\"2109\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"2110\" data-end=\"2120\"\u003e400 mm\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"105jzx4\" data-start=\"2161\" data-end=\"2269\"\u003e\n\u003cp data-start=\"2163\" data-end=\"2269\"\u003e\u003cstrong data-start=\"2163\" data-end=\"2178\"\u003eMotor Type:\u003c\/strong\u003e Three‑phase AC external rotor with sealed bearings \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1m3cpsd\" data-start=\"2270\" data-end=\"2371\"\u003e\n\u003cp data-start=\"2272\" data-end=\"2371\"\u003e\u003cstrong data-start=\"2272\" data-end=\"2284\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"2285\" data-end=\"2306\"\u003e380–415 V \/ 50 Hz\u003c\/strong\u003e (industrial three‑phase) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yiagxb\" data-start=\"2372\" data-end=\"2463\"\u003e\n\u003cp data-start=\"2374\" data-end=\"2463\"\u003e\u003cstrong data-start=\"2374\" data-end=\"2394\"\u003eCasing Material:\u003c\/strong\u003e Pre‑galvanised sheet steel \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12mxgso\" data-start=\"2464\" data-end=\"2553\"\u003e\n\u003cp data-start=\"2466\" data-end=\"2553\"\u003e\u003cstrong data-start=\"2466\" data-end=\"2479\"\u003eImpeller:\u003c\/strong\u003e Backward‑curved aerofoil blades \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"b0brrl\" data-start=\"2554\" data-end=\"2661\"\u003e\n\u003cp data-start=\"2556\" data-end=\"2661\"\u003e\u003cstrong data-start=\"2556\" data-end=\"2575\"\u003eOperating Temp:\u003c\/strong\u003e Suitable for temperatures up to \u003cstrong data-start=\"2608\" data-end=\"2619\"\u003e+120 °C\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nc1hfn\" data-start=\"2662\" data-end=\"2782\"\u003e\n\u003cp data-start=\"2664\" data-end=\"2782\"\u003e\u003cstrong data-start=\"2664\" data-end=\"2677\"\u003eMounting:\u003c\/strong\u003e Roof mounted; suitable for flat or pitched roofs up to \u003cstrong data-start=\"2733\" data-end=\"2740\"\u003e15°\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zgnmze\" data-start=\"2783\" data-end=\"2872\"\u003e\n\u003cp data-start=\"2785\" data-end=\"2872\"\u003e\u003cstrong data-start=\"2785\" data-end=\"2800\"\u003eProtection:\u003c\/strong\u003e Wind guard fitted as standard \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18ucb5z\" data-start=\"2873\" data-end=\"3030\"\u003e\n\u003cp data-start=\"2875\" data-end=\"3030\"\u003e\u003cstrong data-start=\"2875\" data-end=\"2899\"\u003eAirflow\/Performance:\u003c\/strong\u003e Designed for high‑volume industrial extraction (flow and pressure vary by configuration) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1y3hmvm\" data-start=\"3031\" data-end=\"3248\"\u003e\n\u003cp data-start=\"3033\" data-end=\"3248\"\u003e\u003cstrong data-start=\"3033\" data-end=\"3050\"\u003eApplications:\u003c\/strong\u003e Industrial ventilation, HVAC extraction, processing facilities, kitchens, workshops, and other commercial or industrial systems requiring robust performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353383969093,"sku":null,"price":1246.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/EltaClearflowCFHT350Three-PhaseACRoofFan-350mm.png?v=1773213601"},{"product_id":"elta-clearflow-cfht630-630mm-three-phase-ac-roof-fan","title":"Elta Clearflow CFHT630 630mm Three-Phase AC Roof Fan","description":"\u003cp data-start=\"435\" data-end=\"1121\"\u003eThe \u003cstrong data-start=\"439\" data-end=\"498\"\u003eElta Clearflow CFHT630 Three‑Phase AC Roof Fan – 630 mm\u003c\/strong\u003e is a heavy‑duty centrifugal roof‑mounted ventilation unit designed for demanding industrial and commercial HVAC extraction applications. Part of the high‑temperature \u003cstrong data-start=\"665\" data-end=\"683\"\u003eClearflow CFHT\u003c\/strong\u003e range, it features a rugged pre‑galvanised steel casing and powerful backward‑curved impeller to deliver strong vertical discharge airflow. Capable of handling elevated airstream temperatures up to \u003cstrong data-start=\"882\" data-end=\"893\"\u003e+120 °C\u003c\/strong\u003e and mounted on flat or pitched roofs (up to ~15°), this three‑phase AC model ensures reliable, long‑life performance in factories, warehouses, commercial kitchens, processing plants, and other large‑scale ventilation systems.\u003c\/p\u003e\n\u003chr data-start=\"1123\" data-end=\"1126\"\u003e\n\u003ch2 data-section-id=\"1kkxp9a\" data-start=\"1128\" data-end=\"1149\"\u003eMaterial \u0026amp; Build\u003c\/h2\u003e\n\u003cul data-start=\"1150\" data-end=\"1618\"\u003e\n\u003cli data-section-id=\"3zkem5\" data-start=\"1150\" data-end=\"1233\"\u003e\n\u003cp data-start=\"1152\" data-end=\"1233\"\u003e\u003cstrong data-start=\"1152\" data-end=\"1163\"\u003eCasing:\u003c\/strong\u003e Pre‑galvanised sheet steel for corrosion resistance and durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qban6c\" data-start=\"1234\" data-end=\"1322\"\u003e\n\u003cp data-start=\"1236\" data-end=\"1322\"\u003e\u003cstrong data-start=\"1236\" data-end=\"1249\"\u003eImpeller:\u003c\/strong\u003e Backward‑curved aerofoil blades optimised for high‑efficiency airflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"aruxld\" data-start=\"1323\" data-end=\"1432\"\u003e\n\u003cp data-start=\"1325\" data-end=\"1432\"\u003e\u003cstrong data-start=\"1325\" data-end=\"1335\"\u003eMotor:\u003c\/strong\u003e Three‑phase AC external rotor motor with sealed heavy‑duty bearings for extended service life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tbn1r4\" data-start=\"1433\" data-end=\"1523\"\u003e\n\u003cp data-start=\"1435\" data-end=\"1523\"\u003e\u003cstrong data-start=\"1435\" data-end=\"1450\"\u003eWind Guard:\u003c\/strong\u003e Fitted as standard to reduce draughts and protect internal components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ad8n9e\" data-start=\"1524\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1526\" data-end=\"1618\"\u003e\u003cstrong data-start=\"1526\" data-end=\"1558\"\u003eHigh‑Temperature Capability:\u003c\/strong\u003e Rated for warm\/contaminated airstreams up to \u003cstrong data-start=\"1604\" data-end=\"1615\"\u003e+120 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1620\" data-end=\"1623\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"1625\" data-end=\"1644\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1646\" data-end=\"2467\"\u003e\n\u003cli data-section-id=\"13aeptt\" data-start=\"1646\" data-end=\"1739\"\u003e\n\u003cp data-start=\"1648\" data-end=\"1739\"\u003e\u003cstrong data-start=\"1648\" data-end=\"1665\"\u003eProduct Type:\u003c\/strong\u003e Roof‑Mounted Vertical Discharge Centrifugal Fan (Clearflow CFHT series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1a98g1l\" data-start=\"1740\" data-end=\"1787\"\u003e\n\u003cp data-start=\"1742\" data-end=\"1787\"\u003e\u003cstrong data-start=\"1742\" data-end=\"1752\"\u003eModel:\u003c\/strong\u003e CFHT630 \/ 4‑3AC (Three‑Phase AC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nvqjja\" data-start=\"1788\" data-end=\"1820\"\u003e\n\u003cp data-start=\"1790\" data-end=\"1820\"\u003e\u003cstrong data-start=\"1790\" data-end=\"1807\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1808\" data-end=\"1818\"\u003e630 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7zdt3l\" data-start=\"1821\" data-end=\"1876\"\u003e\n\u003cp data-start=\"1823\" data-end=\"1876\"\u003e\u003cstrong data-start=\"1823\" data-end=\"1838\"\u003eMotor Type:\u003c\/strong\u003e Three‑phase AC external rotor motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12lmc4z\" data-start=\"1877\" data-end=\"1935\"\u003e\n\u003cp data-start=\"1879\" data-end=\"1935\"\u003e\u003cstrong data-start=\"1879\" data-end=\"1891\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"1892\" data-end=\"1913\"\u003e380–415 V \/ 50 Hz\u003c\/strong\u003e (industrial supply)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"89wsjh\" data-start=\"1936\" data-end=\"1981\"\u003e\n\u003cp data-start=\"1938\" data-end=\"1981\"\u003e\u003cstrong data-start=\"1938\" data-end=\"1958\"\u003eCasing Material:\u003c\/strong\u003e Pre‑galvanised steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"osibrb\" data-start=\"1982\" data-end=\"2059\"\u003e\n\u003cp data-start=\"1984\" data-end=\"2059\"\u003e\u003cstrong data-start=\"1984\" data-end=\"1997\"\u003eImpeller:\u003c\/strong\u003e Backward‑curved aerofoil blades for strong vertical airflow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b4rn89\" data-start=\"2060\" data-end=\"2108\"\u003e\n\u003cp data-start=\"2062\" data-end=\"2108\"\u003e\u003cstrong data-start=\"2062\" data-end=\"2088\"\u003eOperating Temperature:\u003c\/strong\u003e Up to \u003cstrong data-start=\"2095\" data-end=\"2106\"\u003e+120 °C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ulnhog\" data-start=\"2109\" data-end=\"2186\"\u003e\n\u003cp data-start=\"2111\" data-end=\"2186\"\u003e\u003cstrong data-start=\"2111\" data-end=\"2124\"\u003eMounting:\u003c\/strong\u003e Roof mounted; suitable for flat or pitched roofs up to ~15°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yei0o3\" data-start=\"2187\" data-end=\"2264\"\u003e\n\u003cp data-start=\"2189\" data-end=\"2264\"\u003e\u003cstrong data-start=\"2189\" data-end=\"2204\"\u003eWind Guard:\u003c\/strong\u003e Standard fitted wind guard for reduced noise \u0026amp; protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12nq9ca\" data-start=\"2265\" data-end=\"2324\"\u003e\n\u003cp data-start=\"2267\" data-end=\"2324\"\u003e\u003cstrong data-start=\"2267\" data-end=\"2279\"\u003eAirflow:\u003c\/strong\u003e High‑volume vertical discharge ventilation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cvgcl6\" data-start=\"2325\" data-end=\"2467\"\u003e\n\u003cp data-start=\"2327\" data-end=\"2467\"\u003e\u003cstrong data-start=\"2327\" data-end=\"2344\"\u003eApplications:\u003c\/strong\u003e Industrial HVAC extraction, factories, commercial kitchens, warehouses, processing plants, and large ventilation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353486631237,"sku":null,"price":2339.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/EltaClearflowCFHT350Three-PhaseACRoofFan-350mm_c43818c4-75b3-4aca-b5ad-730796a9dcc5.png?v=1773213926"},{"product_id":"s-p-crhb-4-225-n-225mm-roof-mounted-fan","title":"S\u0026P CRHB\/4-225 N 225mm Roof-Mounted Fan","description":"\u003cp data-start=\"392\" data-end=\"1043\"\u003eThe \u003cstrong data-start=\"396\" data-end=\"440\"\u003eS\u0026amp;P CRHB\/4-225 N 225 mm Roof-Mounted Fan\u003c\/strong\u003e is a compact centrifugal roof ventilation unit designed for reliable airflow in commercial and industrial buildings. It features a \u003cstrong data-start=\"572\" data-end=\"603\"\u003ehorizontal discharge design\u003c\/strong\u003e with a very low-profile structure, making it ideal for roof installations where height is limited. The fan uses a high-efficiency backward-curved impeller and an external rotor motor for strong airflow and energy-efficient operation. Built with a galvanised steel base and aluminium weather cowl, the unit provides durable protection against outdoor conditions and long-term ventilation performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1045\" data-end=\"1048\"\u003e\n\u003ch2 data-section-id=\"19nploz\" data-start=\"1050\" data-end=\"1077\"\u003eMaterial \u0026amp; Build Quality\u003c\/h2\u003e\n\u003cul data-start=\"1078\" data-end=\"1627\"\u003e\n\u003cli data-section-id=\"1smwk4f\" data-start=\"1078\" data-end=\"1181\"\u003e\n\u003cp data-start=\"1080\" data-end=\"1181\"\u003e\u003cstrong data-start=\"1080\" data-end=\"1089\"\u003eBase:\u003c\/strong\u003e Galvanised sheet steel construction for durability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1r8b7fe\" data-start=\"1182\" data-end=\"1273\"\u003e\n\u003cp data-start=\"1184\" data-end=\"1273\"\u003e\u003cstrong data-start=\"1184\" data-end=\"1193\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather protection hood. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8kx2be\" data-start=\"1274\" data-end=\"1411\"\u003e\n\u003cp data-start=\"1276\" data-end=\"1411\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1289\"\u003eImpeller:\u003c\/strong\u003e High-efficiency backward-curved centrifugal impeller (plastic on smaller models). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"au6aru\" data-start=\"1412\" data-end=\"1519\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1519\"\u003e\u003cstrong data-start=\"1414\" data-end=\"1424\"\u003eMotor:\u003c\/strong\u003e External rotor motor with thermal overload protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sbtr9p\" data-start=\"1520\" data-end=\"1627\"\u003e\n\u003cp data-start=\"1522\" data-end=\"1627\"\u003e\u003cstrong data-start=\"1522\" data-end=\"1532\"\u003eGuard:\u003c\/strong\u003e Steel bird-proof safety guard to protect the impeller. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1629\" data-end=\"1632\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1634\" data-end=\"1651\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1653\" data-end=\"2569\"\u003e\n\u003cli data-section-id=\"k5yo9u\" data-start=\"1653\" data-end=\"1717\"\u003e\n\u003cp data-start=\"1655\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1655\" data-end=\"1672\"\u003eProduct Type:\u003c\/strong\u003e Centrifugal Roof-Mounted Fan (CRHB Series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mvpajv\" data-start=\"1718\" data-end=\"1745\"\u003e\n\u003cp data-start=\"1720\" data-end=\"1745\"\u003e\u003cstrong data-start=\"1720\" data-end=\"1730\"\u003eModel:\u003c\/strong\u003e CRHB\/4-225 N\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ugxxmx\" data-start=\"1746\" data-end=\"1778\"\u003e\n\u003cp data-start=\"1748\" data-end=\"1778\"\u003e\u003cstrong data-start=\"1748\" data-end=\"1765\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1766\" data-end=\"1776\"\u003e225 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f8uu8w\" data-start=\"1779\" data-end=\"1828\"\u003e\n\u003cp data-start=\"1781\" data-end=\"1828\"\u003e\u003cstrong data-start=\"1781\" data-end=\"1800\"\u003eDischarge Type:\u003c\/strong\u003e Horizontal roof discharge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lmoy75\" data-start=\"1829\" data-end=\"1872\"\u003e\n\u003cp data-start=\"1831\" data-end=\"1872\"\u003e\u003cstrong data-start=\"1831\" data-end=\"1846\"\u003eMotor Type:\u003c\/strong\u003e External rotor AC motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ifwmwj\" data-start=\"1873\" data-end=\"1963\"\u003e\n\u003cp data-start=\"1875\" data-end=\"1963\"\u003e\u003cstrong data-start=\"1875\" data-end=\"1887\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"1888\" data-end=\"1923\"\u003e230 V \/ 50–60 Hz (Single Phase)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"pt7jif\" data-start=\"1964\" data-end=\"2057\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2057\"\u003e\u003cstrong data-start=\"1966\" data-end=\"1988\"\u003eProtection Rating:\u003c\/strong\u003e \u003cstrong data-start=\"1989\" data-end=\"1997\"\u003eIP54\u003c\/strong\u003e, insulation class F \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"trv1o3\" data-start=\"2058\" data-end=\"2137\"\u003e\n\u003cp data-start=\"2060\" data-end=\"2137\"\u003e\u003cstrong data-start=\"2060\" data-end=\"2076\"\u003eMax Airflow:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2085\" data-end=\"2097\"\u003e740 m³\/h\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"189hwo\" data-start=\"2138\" data-end=\"2211\"\u003e\n\u003cp data-start=\"2140\" data-end=\"2211\"\u003e\u003cstrong data-start=\"2140\" data-end=\"2150\"\u003eSpeed:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2159\" data-end=\"2171\"\u003e1400 rpm\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jkk005\" data-start=\"2212\" data-end=\"2313\"\u003e\n\u003cp data-start=\"2214\" data-end=\"2313\"\u003e\u003cstrong data-start=\"2214\" data-end=\"2234\"\u003eMax Temperature:\u003c\/strong\u003e Up to \u003cstrong data-start=\"2241\" data-end=\"2250\"\u003e70 °C\u003c\/strong\u003e continuous operation \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9elsrx\" data-start=\"2314\" data-end=\"2395\"\u003e\n\u003cp data-start=\"2316\" data-end=\"2395\"\u003e\u003cstrong data-start=\"2316\" data-end=\"2332\"\u003eNoise Level:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2341\" data-end=\"2353\"\u003e42 dB(A)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1t3bmy5\" data-start=\"2396\" data-end=\"2455\"\u003e\n\u003cp data-start=\"2398\" data-end=\"2455\"\u003e\u003cstrong data-start=\"2398\" data-end=\"2415\"\u003eInstallation:\u003c\/strong\u003e Roof mounted on flat or mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10aa77m\" data-start=\"2456\" data-end=\"2569\"\u003e\n\u003cp data-start=\"2458\" data-end=\"2569\"\u003e\u003cstrong data-start=\"2458\" data-end=\"2475\"\u003eApplications:\u003c\/strong\u003e Commercial buildings, warehouses, factories, workshops, and general HVAC extraction systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353594569029,"sku":null,"price":537.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan.png?v=1773215074"},{"product_id":"s-p-crhb-4-250-n-250mm-roof-mounted-fan","title":"S\u0026P CRHB\/4-250 N 250mm Roof-Mounted Fan","description":"\u003cp data-start=\"533\" data-end=\"1199\"\u003eThe \u003cstrong data-start=\"537\" data-end=\"581\"\u003eS\u0026amp;P CRHB\/4‑250 N 250 mm Roof‑Mounted Fan\u003c\/strong\u003e is a horizontal discharge centrifugal roof fan from Soler \u0026amp; Palau’s \u003cstrong data-start=\"650\" data-end=\"667\"\u003eCRHB‑N\/CRHT‑N\u003c\/strong\u003e series, ideal for commercial and industrial ventilation systems. It’s designed with a \u003cstrong data-start=\"754\" data-end=\"795\"\u003every low‑profile horizontal discharge\u003c\/strong\u003e, making it suitable for roof installations where height is restricted. The unit features a \u003cstrong data-start=\"887\" data-end=\"927\"\u003ebackward‑curved centrifugal impeller\u003c\/strong\u003e for efficient airflow and an \u003cstrong data-start=\"957\" data-end=\"984\"\u003eexternal rotor AC motor\u003c\/strong\u003e with thermal protection for reliable performance. Construction includes a galvanised steel base with a spun aluminium cowl and bird‑proof guard to withstand outdoor conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1201\" data-end=\"1204\"\u003e\n\u003ch2 data-section-id=\"mmsur\" data-start=\"1206\" data-end=\"1235\"\u003eMaterial \u0026amp; Build Quality\u003c\/h2\u003e\n\u003cul data-start=\"1236\" data-end=\"1849\"\u003e\n\u003cli data-section-id=\"1je5avq\" data-start=\"1236\" data-end=\"1349\"\u003e\n\u003cp data-start=\"1238\" data-end=\"1349\"\u003e\u003cstrong data-start=\"1238\" data-end=\"1247\"\u003eBase:\u003c\/strong\u003e Galvanised sheet steel for strength and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1aaq1ur\" data-start=\"1350\" data-end=\"1445\"\u003e\n\u003cp data-start=\"1352\" data-end=\"1445\"\u003e\u003cstrong data-start=\"1352\" data-end=\"1361\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather hood for durability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"192xbyd\" data-start=\"1446\" data-end=\"1584\"\u003e\n\u003cp data-start=\"1448\" data-end=\"1584\"\u003e\u003cstrong data-start=\"1448\" data-end=\"1461\"\u003eImpeller:\u003c\/strong\u003e High‑efficiency backward‑curved centrifugal impeller (plastic for 225\/250 models). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s3lvnt\" data-start=\"1585\" data-end=\"1737\"\u003e\n\u003cp data-start=\"1587\" data-end=\"1737\"\u003e\u003cstrong data-start=\"1587\" data-end=\"1597\"\u003eMotor:\u003c\/strong\u003e Single‑phase external rotor AC motor with thermal overload protection, speed adjustable by voltage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15te25a\" data-start=\"1738\" data-end=\"1849\"\u003e\n\u003cp data-start=\"1740\" data-end=\"1849\"\u003e\u003cstrong data-start=\"1740\" data-end=\"1750\"\u003eGuard:\u003c\/strong\u003e Steel finger proof guard for safety and debris prevention. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1851\" data-end=\"1854\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1856\" data-end=\"1873\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1875\" data-end=\"2758\"\u003e\n\u003cli data-section-id=\"11nnsfk\" data-start=\"1875\" data-end=\"1941\"\u003e\n\u003cp data-start=\"1877\" data-end=\"1941\"\u003e\u003cstrong data-start=\"1877\" data-end=\"1894\"\u003eProduct Type:\u003c\/strong\u003e Centrifugal Roof Mounted Fan (CRHB‑N Series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mmutpx\" data-start=\"1942\" data-end=\"1969\"\u003e\n\u003cp data-start=\"1944\" data-end=\"1969\"\u003e\u003cstrong data-start=\"1944\" data-end=\"1954\"\u003eModel:\u003c\/strong\u003e CRHB\/4‑250 N\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8jha04\" data-start=\"1970\" data-end=\"2002\"\u003e\n\u003cp data-start=\"1972\" data-end=\"2002\"\u003e\u003cstrong data-start=\"1972\" data-end=\"1989\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1990\" data-end=\"2000\"\u003e250 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j7ygfs\" data-start=\"2003\" data-end=\"2047\"\u003e\n\u003cp data-start=\"2005\" data-end=\"2047\"\u003e\u003cstrong data-start=\"2005\" data-end=\"2019\"\u003eDischarge:\u003c\/strong\u003e Horizontal roof discharge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1hr2k9x\" data-start=\"2048\" data-end=\"2104\"\u003e\n\u003cp data-start=\"2050\" data-end=\"2104\"\u003e\u003cstrong data-start=\"2050\" data-end=\"2065\"\u003eMotor Type:\u003c\/strong\u003e Single‑phase external rotor AC motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12n0apm\" data-start=\"2105\" data-end=\"2142\"\u003e\n\u003cp data-start=\"2107\" data-end=\"2142\"\u003e\u003cstrong data-start=\"2107\" data-end=\"2119\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"2120\" data-end=\"2140\"\u003e230 V \/ 50–60 Hz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1y4ostj\" data-start=\"2143\" data-end=\"2240\"\u003e\n\u003cp data-start=\"2145\" data-end=\"2240\"\u003e\u003cstrong data-start=\"2145\" data-end=\"2167\"\u003eProtection Rating:\u003c\/strong\u003e \u003cstrong data-start=\"2168\" data-end=\"2176\"\u003eIP54\u003c\/strong\u003e, Insulation Class \u003cstrong data-start=\"2195\" data-end=\"2200\"\u003eF\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"w82wu4\" data-start=\"2241\" data-end=\"2352\"\u003e\n\u003cp data-start=\"2243\" data-end=\"2352\"\u003e\u003cstrong data-start=\"2243\" data-end=\"2260\"\u003eConstruction:\u003c\/strong\u003e Galvanised steel base with aluminium cowl and guard \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fsxj03\" data-start=\"2353\" data-end=\"2480\"\u003e\n\u003cp data-start=\"2355\" data-end=\"2480\"\u003e\u003cstrong data-start=\"2355\" data-end=\"2374\"\u003eOperating Temp:\u003c\/strong\u003e Suitable for general ventilation applications (roof installation) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3a7b8\" data-start=\"2481\" data-end=\"2581\"\u003e\n\u003cp data-start=\"2483\" data-end=\"2581\"\u003e\u003cstrong data-start=\"2483\" data-end=\"2501\"\u003eSpeed Control:\u003c\/strong\u003e Voltage speed control options available \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19412f3\" data-start=\"2582\" data-end=\"2758\"\u003e\n\u003cp data-start=\"2584\" data-end=\"2758\"\u003e\u003cstrong data-start=\"2584\" data-end=\"2601\"\u003eApplications:\u003c\/strong\u003e Roof ventilation for commercial buildings, industrial premises, warehouses, workshops, and ducted extraction systems \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353609445701,"sku":null,"price":535.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan_8e812e74-b8c1-49ed-bc68-639b3aeb5a90.png?v=1773215155"},{"product_id":"s-p-crhb-4-500-n-500mm-roof-mounted-fan","title":"S\u0026P CRHB\/4-500 N 500mm Roof-Mounted Fan","description":"\u003cp data-start=\"425\" data-end=\"1080\"\u003eThe \u003cstrong data-start=\"429\" data-end=\"473\"\u003eS\u0026amp;P CRHB\/4-500 N 500 mm Roof-Mounted Fan\u003c\/strong\u003e is a high-performance centrifugal roof extractor designed for commercial and industrial ventilation systems. Built with a \u003cstrong data-start=\"596\" data-end=\"639\"\u003elow-profile horizontal discharge design\u003c\/strong\u003e, it allows efficient airflow while minimizing roof height. The fan features a \u003cstrong data-start=\"718\" data-end=\"758\"\u003ebackward-curved centrifugal impeller\u003c\/strong\u003e and a durable \u003cstrong data-start=\"773\" data-end=\"800\"\u003eexternal rotor AC motor\u003c\/strong\u003e, delivering strong airflow with reliable energy efficiency. Its robust construction includes a \u003cstrong data-start=\"896\" data-end=\"967\"\u003egalvanised steel base, aluminium weather cowl, and protective guard\u003c\/strong\u003e, ensuring long-term durability and resistance to harsh outdoor conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1082\" data-end=\"1085\"\u003e\n\u003ch2 data-section-id=\"1967hx1\" data-start=\"1087\" data-end=\"1113\"\u003eMaterial \u0026amp; Construction\u003c\/h2\u003e\n\u003cul data-start=\"1114\" data-end=\"1673\"\u003e\n\u003cli data-section-id=\"1hb4c2z\" data-start=\"1114\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1116\" data-end=\"1238\"\u003e\u003cstrong data-start=\"1116\" data-end=\"1125\"\u003eBase:\u003c\/strong\u003e Galvanised sheet steel for corrosion resistance and structural strength. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"g1l8gp\" data-start=\"1239\" data-end=\"1342\"\u003e\n\u003cp data-start=\"1241\" data-end=\"1342\"\u003e\u003cstrong data-start=\"1241\" data-end=\"1250\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather hood for outdoor protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jd8whq\" data-start=\"1343\" data-end=\"1452\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1452\"\u003e\u003cstrong data-start=\"1345\" data-end=\"1358\"\u003eImpeller:\u003c\/strong\u003e High-efficiency backward-curved centrifugal impeller. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hz38zs\" data-start=\"1453\" data-end=\"1563\"\u003e\n\u003cp data-start=\"1455\" data-end=\"1563\"\u003e\u003cstrong data-start=\"1455\" data-end=\"1465\"\u003eMotor:\u003c\/strong\u003e External rotor AC motor with thermal overload protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gaqew4\" data-start=\"1564\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1566\" data-end=\"1673\"\u003e\u003cstrong data-start=\"1566\" data-end=\"1583\"\u003eSafety Guard:\u003c\/strong\u003e Steel finger-proof guard to prevent debris entry. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353611346245,"sku":null,"price":2262.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan_a40d827f-8256-46d6-8404-afd921a530d9.png?v=1773215479"},{"product_id":"s-p-crht-4-355-355mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-355 355mm Roof-Mounted Fan","description":"\u003cp data-start=\"86\" data-end=\"161\"\u003e\u003cstrong data-start=\"86\" data-end=\"120\"\u003eMeta Permalink (65 characters)\u003c\/strong\u003e\u003cbr data-start=\"120\" data-end=\"123\"\u003esp-crht-4-355-355mm-roof-mounted-fan\u003c\/p\u003e\n\u003cp data-start=\"163\" data-end=\"334\"\u003e\u003cstrong data-start=\"163\" data-end=\"200\"\u003eMeta Description (140 characters)\u003c\/strong\u003e\u003cbr data-start=\"200\" data-end=\"203\"\u003eS\u0026amp;P CRHT\/4-355 355mm roof-mounted centrifugal fan with horizontal discharge, aluminium impeller, IP54 motor and durable steel base.\u003c\/p\u003e\n\u003chr data-start=\"336\" data-end=\"339\"\u003e\n\u003ch1 data-section-id=\"qjicmc\" data-start=\"341\" data-end=\"380\"\u003eS\u0026amp;P CRHT\/4-355 355mm Roof-Mounted Fan\u003c\/h1\u003e\n\u003ch2 data-section-id=\"14exl9a\" data-start=\"382\" data-end=\"422\"\u003eProduct Description (≈500 characters)\u003c\/h2\u003e\n\u003cp data-start=\"423\" data-end=\"1103\"\u003eThe \u003cstrong data-start=\"427\" data-end=\"469\"\u003eS\u0026amp;P CRHT\/4-355 355 mm Roof-Mounted Fan\u003c\/strong\u003e is a powerful centrifugal extraction fan designed for commercial and industrial roof ventilation systems. It features a \u003cstrong data-start=\"590\" data-end=\"634\"\u003ehorizontal discharge, low-profile design\u003c\/strong\u003e that allows efficient airflow while maintaining a compact roof installation height. The fan uses a \u003cstrong data-start=\"734\" data-end=\"790\"\u003ehigh-efficiency backward-curved centrifugal impeller\u003c\/strong\u003e and a \u003cstrong data-start=\"797\" data-end=\"833\"\u003ethree-phase external rotor motor\u003c\/strong\u003e, ensuring reliable airflow performance and energy efficiency. Constructed with a \u003cstrong data-start=\"915\" data-end=\"972\"\u003egalvanised steel base and spun aluminium weather cowl\u003c\/strong\u003e, the unit provides excellent durability and protection against harsh outdoor environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1105\" data-end=\"1108\"\u003e\n\u003ch2 data-section-id=\"1967hx1\" data-start=\"1110\" data-end=\"1136\"\u003eMaterial \u0026amp; Construction\u003c\/h2\u003e\n\u003cul data-start=\"1137\" data-end=\"1754\"\u003e\n\u003cli data-section-id=\"haudvt\" data-start=\"1137\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1139\" data-end=\"1256\"\u003e\u003cstrong data-start=\"1139\" data-end=\"1148\"\u003eBase:\u003c\/strong\u003e Galvanised sheet steel for strong corrosion-resistant construction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8iewjq\" data-start=\"1257\" data-end=\"1372\"\u003e\n\u003cp data-start=\"1259\" data-end=\"1372\"\u003e\u003cstrong data-start=\"1259\" data-end=\"1268\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather hood designed for outdoor installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1k5bxf4\" data-start=\"1373\" data-end=\"1506\"\u003e\n\u003cp data-start=\"1375\" data-end=\"1506\"\u003e\u003cstrong data-start=\"1375\" data-end=\"1388\"\u003eImpeller:\u003c\/strong\u003e Backward-curved centrifugal impeller made from aluminium for high efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xnwysm\" data-start=\"1507\" data-end=\"1626\"\u003e\n\u003cp data-start=\"1509\" data-end=\"1626\"\u003e\u003cstrong data-start=\"1509\" data-end=\"1519\"\u003eMotor:\u003c\/strong\u003e External rotor three-phase motor with thermal overload protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55rujt\" data-start=\"1627\" data-end=\"1754\"\u003e\n\u003cp data-start=\"1629\" data-end=\"1754\"\u003e\u003cstrong data-start=\"1629\" data-end=\"1646\"\u003eSafety Guard:\u003c\/strong\u003e Steel finger-proof guard to prevent debris entry and ensure safety. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1756\" data-end=\"1759\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1761\" data-end=\"1778\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1780\" data-end=\"2613\"\u003e\n\u003cli data-section-id=\"19qdqpe\" data-start=\"1780\" data-end=\"1842\"\u003e\n\u003cp data-start=\"1782\" data-end=\"1842\"\u003e\u003cstrong data-start=\"1782\" data-end=\"1799\"\u003eProduct Type:\u003c\/strong\u003e Centrifugal Roof-Mounted Ventilation Fan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"l7qo1h\" data-start=\"1843\" data-end=\"1868\"\u003e\n\u003cp data-start=\"1845\" data-end=\"1868\"\u003e\u003cstrong data-start=\"1845\" data-end=\"1855\"\u003eModel:\u003c\/strong\u003e CRHT\/4-355\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16y08dr\" data-start=\"1869\" data-end=\"1901\"\u003e\n\u003cp data-start=\"1871\" data-end=\"1901\"\u003e\u003cstrong data-start=\"1871\" data-end=\"1888\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1889\" data-end=\"1899\"\u003e355 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jledsr\" data-start=\"1902\" data-end=\"1987\"\u003e\n\u003cp data-start=\"1904\" data-end=\"1987\"\u003e\u003cstrong data-start=\"1904\" data-end=\"1925\"\u003eAirflow Capacity:\u003c\/strong\u003e Up to \u003cstrong data-start=\"1932\" data-end=\"1947\"\u003e≈2,779 m³\/h\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19n6jdn\" data-start=\"1988\" data-end=\"2069\"\u003e\n\u003cp data-start=\"1990\" data-end=\"2069\"\u003e\u003cstrong data-start=\"1990\" data-end=\"2010\"\u003eStatic Pressure:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2019\" data-end=\"2029\"\u003e103 Pa\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hltgb1\" data-start=\"2070\" data-end=\"2129\"\u003e\n\u003cp data-start=\"2072\" data-end=\"2129\"\u003e\u003cstrong data-start=\"2072\" data-end=\"2087\"\u003eMotor Type:\u003c\/strong\u003e External rotor \u003cstrong data-start=\"2103\" data-end=\"2127\"\u003ethree-phase AC motor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rmnakc\" data-start=\"2130\" data-end=\"2209\"\u003e\n\u003cp data-start=\"2132\" data-end=\"2209\"\u003e\u003cstrong data-start=\"2132\" data-end=\"2144\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"2145\" data-end=\"2169\"\u003e230\/400 V – 50\/60 Hz\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"afgrz4\" data-start=\"2210\" data-end=\"2283\"\u003e\n\u003cp data-start=\"2212\" data-end=\"2283\"\u003e\u003cstrong data-start=\"2212\" data-end=\"2222\"\u003eSpeed:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2231\" data-end=\"2243\"\u003e1378 RPM\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u58sgb\" data-start=\"2284\" data-end=\"2364\"\u003e\n\u003cp data-start=\"2286\" data-end=\"2364\"\u003e\u003cstrong data-start=\"2286\" data-end=\"2302\"\u003ePower Input:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2311\" data-end=\"2322\"\u003e0.27 kW\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"76295v\" data-start=\"2365\" data-end=\"2439\"\u003e\n\u003cp data-start=\"2367\" data-end=\"2439\"\u003e\u003cstrong data-start=\"2367\" data-end=\"2379\"\u003eCurrent:\u003c\/strong\u003e \u003cstrong data-start=\"2380\" data-end=\"2397\"\u003e1.3 A \/ 0.8 A\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353648341317,"sku":null,"price":1024.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan_6f4070a8-fc49-457c-91e4-02a924886d3d.png?v=1773216912"},{"product_id":"s-p-crht-4-400-400mm-roof-mounted-ventilation-fan","title":"S\u0026P CRHT\/4-400 400mm Roof-Mounted Ventilation Fan","description":"\u003cp data-start=\"450\" data-end=\"1175\"\u003eThe \u003cstrong data-start=\"454\" data-end=\"508\"\u003eS\u0026amp;P CRHT\/4-400 400 mm Roof-Mounted Ventilation Fan\u003c\/strong\u003e is a powerful centrifugal extraction fan designed for efficient roof ventilation in commercial and industrial HVAC systems. It features a \u003cstrong data-start=\"647\" data-end=\"690\"\u003elow-profile horizontal discharge design\u003c\/strong\u003e that allows high airflow performance while minimizing roof installation height. The fan uses a \u003cstrong data-start=\"786\" data-end=\"842\"\u003ehigh-efficiency backward-curved centrifugal impeller\u003c\/strong\u003e combined with a \u003cstrong data-start=\"859\" data-end=\"895\"\u003ethree-phase external rotor motor\u003c\/strong\u003e to deliver reliable airflow and energy-efficient operation. Built with a \u003cstrong data-start=\"969\" data-end=\"1026\"\u003egalvanised steel base and spun aluminium weather cowl\u003c\/strong\u003e, the unit is engineered for long-lasting durability and protection against outdoor environmental conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1177\" data-end=\"1180\"\u003e\n\u003ch2 data-section-id=\"1967hx1\" data-start=\"1182\" data-end=\"1208\"\u003eMaterial \u0026amp; Construction\u003c\/h2\u003e\n\u003cul data-start=\"1209\" data-end=\"1818\"\u003e\n\u003cli data-section-id=\"18r7n7o\" data-start=\"1209\" data-end=\"1333\"\u003e\n\u003cp data-start=\"1211\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1220\"\u003eBase:\u003c\/strong\u003e Heavy-duty galvanised sheet steel for strength and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"efu4ld\" data-start=\"1334\" data-end=\"1453\"\u003e\n\u003cp data-start=\"1336\" data-end=\"1453\"\u003e\u003cstrong data-start=\"1336\" data-end=\"1345\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather hood designed for outdoor roof installation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fh9leg\" data-start=\"1454\" data-end=\"1581\"\u003e\n\u003cp data-start=\"1456\" data-end=\"1581\"\u003e\u003cstrong data-start=\"1456\" data-end=\"1469\"\u003eImpeller:\u003c\/strong\u003e Backward-curved centrifugal impeller for efficient airflow performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yb1ly8\" data-start=\"1582\" data-end=\"1708\"\u003e\n\u003cp data-start=\"1584\" data-end=\"1708\"\u003e\u003cstrong data-start=\"1584\" data-end=\"1594\"\u003eMotor:\u003c\/strong\u003e External rotor \u003cstrong data-start=\"1610\" data-end=\"1634\"\u003ethree-phase AC motor\u003c\/strong\u003e with built-in thermal protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yqc32c\" data-start=\"1709\" data-end=\"1818\"\u003e\n\u003cp data-start=\"1711\" data-end=\"1818\"\u003e\u003cstrong data-start=\"1711\" data-end=\"1721\"\u003eGuard:\u003c\/strong\u003e Steel finger-proof safety guard to prevent debris entry. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1820\" data-end=\"1823\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1825\" data-end=\"1842\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1844\" data-end=\"2680\"\u003e\n\u003cli data-section-id=\"19qdqpe\" data-start=\"1844\" data-end=\"1906\"\u003e\n\u003cp data-start=\"1846\" data-end=\"1906\"\u003e\u003cstrong data-start=\"1846\" data-end=\"1863\"\u003eProduct Type:\u003c\/strong\u003e Centrifugal Roof-Mounted Ventilation Fan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"l71y4y\" data-start=\"1907\" data-end=\"1932\"\u003e\n\u003cp data-start=\"1909\" data-end=\"1932\"\u003e\u003cstrong data-start=\"1909\" data-end=\"1919\"\u003eModel:\u003c\/strong\u003e CRHT\/4-400\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wx25yg\" data-start=\"1933\" data-end=\"1965\"\u003e\n\u003cp data-start=\"1935\" data-end=\"1965\"\u003e\u003cstrong data-start=\"1935\" data-end=\"1952\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1953\" data-end=\"1963\"\u003e400 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bbguye\" data-start=\"1966\" data-end=\"2051\"\u003e\n\u003cp data-start=\"1968\" data-end=\"2051\"\u003e\u003cstrong data-start=\"1968\" data-end=\"1989\"\u003eAirflow Capacity:\u003c\/strong\u003e Up to \u003cstrong data-start=\"1996\" data-end=\"2011\"\u003e≈4,156 m³\/h\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ev8xf4\" data-start=\"2052\" data-end=\"2133\"\u003e\n\u003cp data-start=\"2054\" data-end=\"2133\"\u003e\u003cstrong data-start=\"2054\" data-end=\"2074\"\u003eStatic Pressure:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2083\" data-end=\"2093\"\u003e108 Pa\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hltgb1\" data-start=\"2134\" data-end=\"2193\"\u003e\n\u003cp data-start=\"2136\" data-end=\"2193\"\u003e\u003cstrong data-start=\"2136\" data-end=\"2151\"\u003eMotor Type:\u003c\/strong\u003e External rotor \u003cstrong data-start=\"2167\" data-end=\"2191\"\u003ethree-phase AC motor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rmnakc\" data-start=\"2194\" data-end=\"2273\"\u003e\n\u003cp data-start=\"2196\" data-end=\"2273\"\u003e\u003cstrong data-start=\"2196\" data-end=\"2208\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"2209\" data-end=\"2233\"\u003e230\/400 V – 50\/60 Hz\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2376jl\" data-start=\"2274\" data-end=\"2347\"\u003e\n\u003cp data-start=\"2276\" data-end=\"2347\"\u003e\u003cstrong data-start=\"2276\" data-end=\"2286\"\u003eSpeed:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2295\" data-end=\"2307\"\u003e1379 RPM\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1e8bbjy\" data-start=\"2348\" data-end=\"2429\"\u003e\n\u003cp data-start=\"2350\" data-end=\"2429\"\u003e\u003cstrong data-start=\"2350\" data-end=\"2366\"\u003ePower Input:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2375\" data-end=\"2387\"\u003e0.426 kW\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353650635077,"sku":null,"price":1205.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan_2880dbdb-f4f2-47b3-9ab6-1acdf20fc6c9.png?v=1773217136"},{"product_id":"systemair-dhs-sileo-630mm-three-phase-roof-fan-ac-model","title":"Systemair DHS Sileo 630mm Three-Phase Roof Fan - AC Model","description":"\u003cp data-start=\"476\" data-end=\"1161\"\u003eThe \u003cstrong data-start=\"480\" data-end=\"542\"\u003eSystemair DHS Sileo 630 mm Three-Phase Roof Fan (AC Model)\u003c\/strong\u003e is a powerful centrifugal roof-mounted ventilation unit designed for commercial and industrial extraction systems. Built with a \u003cstrong data-start=\"671\" data-end=\"713\"\u003ehorizontal air discharge configuration\u003c\/strong\u003e, it delivers efficient airflow while maintaining quiet operation. The fan features a \u003cstrong data-start=\"799\" data-end=\"844\"\u003ehigh-performance backward-curved impeller\u003c\/strong\u003e driven by a \u003cstrong data-start=\"857\" data-end=\"905\"\u003ereliable three-phase AC external rotor motor\u003c\/strong\u003e for energy-efficient performance. Its weather-resistant construction includes an \u003cstrong data-start=\"987\" data-end=\"1043\"\u003ealuminium housing with a galvanised steel base frame\u003c\/strong\u003e, ensuring durability and long service life in demanding rooftop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1163\" data-end=\"1166\"\u003e\n\u003ch2 data-section-id=\"1967hx1\" data-start=\"1168\" data-end=\"1194\"\u003eMaterial \u0026amp; Construction\u003c\/h2\u003e\n\u003cul data-start=\"1195\" data-end=\"1762\"\u003e\n\u003cli data-section-id=\"12kqppq\" data-start=\"1195\" data-end=\"1333\"\u003e\n\u003cp data-start=\"1197\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1197\" data-end=\"1208\"\u003eCasing:\u003c\/strong\u003e Corrosion-resistant aluminium housing suitable for outdoor and coastal environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8u7145\" data-start=\"1334\" data-end=\"1452\"\u003e\n\u003cp data-start=\"1336\" data-end=\"1452\"\u003e\u003cstrong data-start=\"1336\" data-end=\"1351\"\u003eBase Frame:\u003c\/strong\u003e Heavy-duty galvanised steel base with integrated inlet cone. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1pmip4m\" data-start=\"1453\" data-end=\"1586\"\u003e\n\u003cp data-start=\"1455\" data-end=\"1586\"\u003e\u003cstrong data-start=\"1455\" data-end=\"1468\"\u003eImpeller:\u003c\/strong\u003e High-efficiency backward-curved radial impeller made from composite material. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2lmk8c\" data-start=\"1587\" data-end=\"1704\"\u003e\n\u003cp data-start=\"1589\" data-end=\"1704\"\u003e\u003cstrong data-start=\"1589\" data-end=\"1599\"\u003eMotor:\u003c\/strong\u003e External rotor \u003cstrong data-start=\"1615\" data-end=\"1639\"\u003ethree-phase AC motor\u003c\/strong\u003e with thermal protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"km07fp\" data-start=\"1705\" data-end=\"1762\"\u003e\n\u003cp data-start=\"1707\" data-end=\"1762\"\u003e\u003cstrong data-start=\"1707\" data-end=\"1717\"\u003eGuard:\u003c\/strong\u003e Powder-coated bird-proof protection guard.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353682321733,"sku":null,"price":1864.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/DHS710_14097de5-edcd-479c-80c6-4453c269d38d.webp?v=1773217760"},{"product_id":"systemair-dhs-sileo-500e4-single-phase-roof-fan-500mm-ac","title":"Systemair DHS Sileo 500E4 Single Phase Roof Fan - 500mm AC","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS Sileo 500E4 Single Phase AC Roof Fan offers efficient, whisper-quiet rooftop ventilation for commercial and light industrial applications. Powered by Systemair's advanced Sileo technology, this single-phase AC motor fan ensures steady, high-volume airflow with exceptionally low noise output. Its robust weatherproof construction guarantees reliable continuous performance in outdoor rooftop conditions, making it a perfect fit for offices, retail units, schools, and small warehouses.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353759260997,"sku":null,"price":1662.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairDHSSileo500mmThree-PhaseACRoofFan_b969adc0-527b-479c-ad89-4f6049d80355.png?v=1773218923"},{"product_id":"systemair-dhs-sileo-450mm-three-phase-roof-fan-ac-model","title":"Systemair DHS Sileo 450mm Three-Phase Roof Fan - AC Model","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS Sileo 450mm Three-Phase AC Roof Fan is a high-performance rooftop ventilation solution built for demanding commercial and industrial environments. Featuring Systemair's innovative Sileo technology, this three-phase AC motor fan delivers powerful, consistent airflow while maintaining ultra-low noise levels. Its durable weatherproof construction ensures dependable continuous operation outdoors, making it an excellent choice for warehouses, factories, offices, hospitals, and large commercial buildings.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353769550149,"sku":null,"price":951.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairDHSSileo500mmThree-PhaseACRoofFan_d92db982-0490-4654-b8bf-a38f5c842a70.png?v=1773219003"},{"product_id":"systemair-dhs-sileo-450ev-single-phase-roof-fan-450mm-ac","title":"Systemair DHS Sileo 450EV Single Phase Roof Fan - 450mm AC","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS Sileo 450EV Single Phase AC Roof Fan provides efficient, ultra-quiet rooftop ventilation for residential and light commercial applications. Engineered with Systemair's renowned Sileo technology, this single-phase AC motor fan delivers consistent, reliable airflow with minimal noise disruption. Its sturdy weatherproof build ensures long-lasting outdoor rooftop performance, making it an ideal ventilation solution for offices, retail spaces, schools, and small commercial buildings.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353826074949,"sku":null,"price":1183.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairDHSSileo500mmThree-PhaseACRoofFan_2e0b874a-e363-4ca8-8b5a-f7315df47cae.png?v=1773220451"},{"product_id":"systemair-dhs-sileo-450e6-single-phase-roof-fan-450mm-ac","title":"Systemair DHS Sileo 450E6 Single Phase Roof Fan - 450mm AC","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS Sileo 450E6 Single Phase AC Roof Fan delivers dependable, low-noise rooftop ventilation for light commercial and residential settings. Built on Systemair's trusted Sileo technology, this single-phase AC motor fan ensures smooth, consistent airflow with whisper-quiet operation throughout. Its weatherproof and robust construction guarantees reliable continuous outdoor rooftop performance, making it a smart ventilation choice for offices, retail outlets, schools, and small commercial premises.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353830498629,"sku":null,"price":1094.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairDHSSileo500mmThree-PhaseACRoofFan_c6ccd2b6-e0ca-4977-9c17-7584f4b0987d.png?v=1773220562"},{"product_id":"systemair-dhs-sileo-400e4-single-phase-roof-fan-400mm-ac","title":"Systemair DHS Sileo 400E4 Single Phase Roof Fan - 400mm AC","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS Sileo 400E4 Single Phase AC Roof Fan offers quiet, reliable rooftop ventilation for light commercial and residential applications. Powered by Systemair's proven Sileo technology, this single-phase AC motor fan provides steady, efficient airflow with exceptionally low noise output. Its solid weatherproof construction ensures consistent long-term outdoor rooftop performance, making it a dependable ventilation solution for offices, retail spaces, schools, and small commercial buildings.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBlade Diameter: 400mm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMotor Type: Single Phase AC\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePower Supply: 230V \/ 50Hz \/ 1Ph\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAirflow Capacity: Up to 4,200 m³\/hr\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eNoise Level: ≤ 48 dB(A)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353836593477,"sku":null,"price":949.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairDHSSileo500mmThree-PhaseACRoofFan_7a239c3b-aacc-4a6f-9508-1d66e4cd180c.png?v=1773220675"},{"product_id":"systemair-dhs-sileo-355mm-three-phase-roof-fan-ac-model","title":"Systemair DHS Sileo 355mm Three-Phase Roof Fan - AC Model","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS Sileo 355mm Three-Phase AC Roof Fan is a compact yet powerful rooftop ventilation unit engineered for commercial and industrial settings. Featuring Systemair's innovative Sileo technology, this three-phase AC motor fan delivers strong, consistent airflow with ultra-low noise levels throughout operation. Its durable weatherproof construction ensures reliable continuous outdoor rooftop performance, making it an excellent ventilation solution for warehouses, factories, offices, hospitals, and medium-sized commercial buildings.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBlade Diameter: 355mm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMotor Type: Three-Phase AC\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePower Supply: 400V \/ 50Hz \/ 3Ph\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAirflow Capacity: Up to 5,000 m³\/hr\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eNoise Level: ≤ 50 dB(A)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353847931205,"sku":null,"price":862.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairDHSSileo500mmThree-PhaseACRoofFan_6d519112-e339-4529-8a0d-2bf47a18ae41.png?v=1773220793"},{"product_id":"systemair-dhs-sileo-355e4-single-phase-roof-fan-355mm-ac","title":"Systemair DHS Sileo 355E4 Single Phase Roof Fan - 355mm AC","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS Sileo 355E4 Single Phase AC Roof Fan provides reliable, low-noise rooftop ventilation for light commercial and residential applications. Engineered with Systemair's renowned Sileo technology, this single-phase AC motor fan delivers consistent, efficient airflow with whisper-quiet performance throughout. Its sturdy weatherproof construction guarantees dependable continuous outdoor rooftop operation, making it a practical ventilation solution for offices, retail spaces, schools, and small commercial buildings.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBlade Diameter: 355mm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMotor Type: Single Phase AC\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePower Supply: 230V \/ 50Hz \/ 1Ph\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAirflow Capacity: Up to 3,800 m³\/hr\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eNoise Level: ≤ 46 dB(A)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353849307461,"sku":null,"price":864.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairDHSSileo500mmThree-PhaseACRoofFan_f1f25146-a604-489e-b759-12eed24a8a87.png?v=1773220863"},{"product_id":"systemair-dhs-sileo-310ev-single-phase-roof-fan-310mm-ac","title":"Systemair DHS Sileo 310EV Single Phase Roof Fan - 310mm AC","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS Sileo 310EV Single Phase AC Roof Fan is a compact and reliable rooftop ventilation unit built for residential and light commercial environments. Incorporating Systemair's trusted Sileo technology, this single-phase AC motor fan provides smooth, consistent airflow with ultra-low noise levels during operation. Its robust weatherproof housing ensures dependable continuous outdoor rooftop performance, making it an ideal ventilation solution for offices, retail spaces, small schools, and compact commercial buildings.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBlade Diameter: 310mm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMotor Type: Single Phase AC\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePower Supply: 230V \/ 50Hz \/ 1Ph\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAirflow Capacity: Up to 3,000 m³\/hr\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eNoise Level: ≤ 43 dB(A)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353855467845,"sku":null,"price":684.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairDHSSileo500mmThree-PhaseACRoofFan_20fdb962-8700-47c7-89ea-2a8e968e4c8c.png?v=1773221009"},{"product_id":"systemair-dhs-ds-roof-ventilation-fan-with-3-phase-ac-motor","title":"Systemair DHS DS Roof Ventilation Fan with 3-Phase AC Motor","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS DS Roof Ventilation Fan with 3-Phase AC Motor is a robust and high-performance rooftop extraction unit designed for heavy-duty commercial and industrial ventilation demands. Engineered with Systemair's superior build quality, this three-phase AC motor fan delivers powerful, continuous airflow with outstanding reliability and efficiency. Its heavy-duty weatherproof construction ensures long-lasting outdoor rooftop performance, making it a trusted ventilation solution for warehouses, factories, hospitals, large offices, and industrial facilities.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMotor Type: Three-Phase AC\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePower Supply: 400V \/ 50Hz \/ 3Ph\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAirflow Capacity: Up to 8,000 m³\/hr\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eProtection Rating: IP44\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353863790917,"sku":null,"price":862.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/SystemairDHSSileo500mmThree-PhaseACRoofFan_facc91c5-5978-4aa6-8d3a-2cf1244f71f3.png?v=1773221137"},{"product_id":"systemair-dhs-710ds-3-phase-roof-fan-710mm-diameter","title":"Systemair DHS 710DS 3-Phase Roof Fan - 710mm Diameter","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS 710DS 3-Phase Roof Fan is a large-scale, heavy-duty rooftop ventilation unit built for high-demand commercial and industrial applications. Powered by a robust three-phase AC motor, this 710mm diameter fan delivers exceptional, high-volume airflow with outstanding reliability and consistent performance. Its heavy-duty weatherproof construction ensures dependable continuous outdoor rooftop operation, making it the ultimate ventilation solution for large warehouses, factories, industrial facilities, hospitals, and expansive commercial buildings.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBlade Diameter: 710mm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMotor Type: Three-Phase AC\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePower Supply: 400V \/ 50Hz \/ 3Ph\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAirflow Capacity: Up to 12,000 m³\/hr\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eNoise Level: ≤ 62 dB(A)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353865265477,"sku":null,"price":3020.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/DHS710_da5ba9e3-67c2-4ec8-91c2-d9c5a72afd2a.webp?v=1773221265"},{"product_id":"systemair-dhs-630ds-sileo-3-phase-roof-fan-630mm","title":"Systemair DHS 630DS Sileo 3-Phase Roof Fan - 630mm","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Systemair DHS 630DS Sileo 3-Phase Roof Fan is a powerful, large-capacity rooftop ventilation unit engineered for demanding commercial and industrial environments. Combining Systemair's advanced Sileo low-noise technology with a robust three-phase AC motor, this 630mm fan delivers exceptional high-volume airflow with remarkably quiet operation throughout. Its heavy-duty weatherproof construction guarantees reliable continuous outdoor rooftop performance, making it an outstanding ventilation solution for large warehouses, factories, hospitals, shopping centres, and expansive commercial buildings.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound AC Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBlade Diameter: 630mm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMotor Type: Three-Phase AC\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePower Supply: 400V \/ 50Hz \/ 3Ph\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAirflow Capacity: Up to 10,500 m³\/hr\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eNoise Level: ≤ 60 dB(A)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353866150213,"sku":null,"price":2087.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/DHS710_b12879cf-54ba-4b6f-9de6-711d6a3fc1e9.webp?v=1773221328"},{"product_id":"vent-axia-euroseries-esr71034-three-phase-roof-fan-710mm-1","title":"Vent Axia EuroSeries ESR71034 Three-Phase Roof Fan - 710mm","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Vent Axia EuroSeries ESR71034 Three-Phase Roof Fan is a large-scale, heavy-duty rooftop ventilation unit engineered for high-demand commercial and industrial environments. Powered by a robust three-phase motor, this 710mm diameter fan delivers exceptional high-volume airflow with outstanding reliability and consistent performance throughout. Its heavy-duty weatherproof construction ensures dependable continuous outdoor rooftop operation, making it the ultimate ventilation solution for large warehouses, factories, industrial facilities, hospitals, and expansive commercial buildings.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMaterials:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGalvanised Steel Housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminium Fan Blades\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePowder-Coated Finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReinforced Polypropylene Base\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCopper-Wound Three-Phase Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSpecifications:\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBlade Diameter: 710mm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMotor Type: Three-Phase\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePower Supply: 400V \/ 50Hz \/ 3Ph\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAirflow Capacity: Up to 13,500 m³\/hr\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eNoise Level: ≤ 65 dB(A)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353962848581,"sku":null,"price":2058.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/VentAxiaEuroSeriesESR71034Three-PhaseRoofFan-710mm.png?v=1773222441"}],"url":"https:\/\/ddsgroup.co.uk\/collections\/roof-fans.oembed?page=2","provider":"DDS GROUP","version":"1.0","type":"link"}