{"title":"Attenuators (Silencers)","description":"","products":[{"product_id":"circular-sound-attenuator-silencer","title":"Circular Sound Attenuator 600mm Length Silencer","description":"\u003cp\u003eThe \u003cstrong data-start=\"115\" data-end=\"160\"\u003eCircular Sound Attenuator (600 mm length)\u003c\/strong\u003e is designed to reduce noise in HVAC duct systems while maintaining efficient airflow. Constructed from durable galvanised steel with internal acoustic lining, it absorbs and dissipates fan and duct noise, creating a quieter environment. Ideal for residential, commercial, and industrial ventilation, it’s easy to install inline with circular ductwork and suitable for both supply and extract air applications\u003c\/p\u003e","brand":"Direct Duct Supplies","offers":[{"title":"100mm","offer_id":57219752853829,"sku":null,"price":28.99,"currency_code":"GBP","in_stock":true},{"title":"125mm","offer_id":57219752886597,"sku":null,"price":35.0,"currency_code":"GBP","in_stock":true},{"title":"150mm","offer_id":57219752919365,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57219752952133,"sku":null,"price":78.99,"currency_code":"GBP","in_stock":true},{"title":"200mm","offer_id":57219752984901,"sku":null,"price":38.99,"currency_code":"GBP","in_stock":true},{"title":"250mm","offer_id":57219753017669,"sku":null,"price":65.99,"currency_code":"GBP","in_stock":true},{"title":"300mm","offer_id":57219753050437,"sku":null,"price":119.99,"currency_code":"GBP","in_stock":true},{"title":"315mm","offer_id":57219753083205,"sku":null,"price":78.99,"currency_code":"GBP","in_stock":true},{"title":"355mm","offer_id":57219753115973,"sku":null,"price":148.99,"currency_code":"GBP","in_stock":true},{"title":"400mm","offer_id":57219753148741,"sku":null,"price":168.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/CSRPFC-Silencer-KEN-LOK.jpg?v=1771760341"},{"product_id":"circular-attenuators-1","title":"Circular Attenuators","description":"\u003cp data-start=\"37\" data-end=\"550\"\u003eCircular attenuators are HVAC components designed to reduce noise transmission along ductwork while maintaining efficient airflow. Constructed from heavy‑gauge galvanised steel with internal acoustic lining (typically mineral wool or foam), they absorb and dissipate sound generated by fans and air movement. Ideal for commercial, industrial, and residential ventilation systems, circular attenuators help create quieter ducted environments without compromising performance.\u003c\/p\u003e\n\u003cp data-start=\"552\" data-end=\"725\"\u003e\u003cstrong data-start=\"552\" data-end=\"565\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"565\" data-end=\"568\"\u003e• Heavy‑gauge galvanised steel outer casing\u003cbr data-start=\"611\" data-end=\"614\"\u003e• Internal acoustic lining (e.g., mineral wool or polyester)\u003cbr data-start=\"674\" data-end=\"677\"\u003e• Corrosion‑resistant and durable construction\u003c\/p\u003e\n\u003cp data-start=\"727\" data-end=\"946\"\u003e\u003cstrong data-start=\"727\" data-end=\"746\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"746\" data-end=\"749\"\u003e• Type: Circular attenuator (noise‑dampening duct insert)\u003cbr data-start=\"806\" data-end=\"809\"\u003e• Designed for round duct systems\u003cbr data-start=\"842\" data-end=\"845\"\u003e• Available in a range of diameters and lengths\u003cbr data-start=\"892\" data-end=\"895\"\u003e• Compatible with standard circular duct fittings\u003c\/p\u003e","brand":"Direct Duct Supplies","offers":[{"title":"355 1D","offer_id":57219753214277,"sku":null,"price":100.0,"currency_code":"GBP","in_stock":true},{"title":"355 2D","offer_id":57219753247045,"sku":null,"price":135.0,"currency_code":"GBP","in_stock":true},{"title":"400 1D","offer_id":57219753279813,"sku":null,"price":105.0,"currency_code":"GBP","in_stock":true},{"title":"400 2D","offer_id":57219753312581,"sku":null,"price":145.0,"currency_code":"GBP","in_stock":true},{"title":"450 1D","offer_id":57219753345349,"sku":null,"price":128.0,"currency_code":"GBP","in_stock":true},{"title":"450 2D","offer_id":57219753378117,"sku":null,"price":160.0,"currency_code":"GBP","in_stock":true},{"title":"500 1D","offer_id":57219753410885,"sku":null,"price":140.0,"currency_code":"GBP","in_stock":true},{"title":"500 2D","offer_id":57219753443653,"sku":null,"price":185.0,"currency_code":"GBP","in_stock":true},{"title":"560 1D","offer_id":57219753476421,"sku":null,"price":160.0,"currency_code":"GBP","in_stock":true},{"title":"560 2D","offer_id":57219753509189,"sku":null,"price":240.0,"currency_code":"GBP","in_stock":true},{"title":"630 1D","offer_id":57219753541957,"sku":null,"price":200.0,"currency_code":"GBP","in_stock":true},{"title":"630 2D","offer_id":57219753574725,"sku":null,"price":275.0,"currency_code":"GBP","in_stock":true},{"title":"710 1D","offer_id":57219753607493,"sku":null,"price":270.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/Circular_Attenuators_2x_04027fac-323c-4b09-892e-ccbc7dc71ad9.png?v=1771760344"}],"url":"https:\/\/ddsgroup.co.uk\/collections\/attenuators-silencers.oembed","provider":"DDS GROUP","version":"1.0","type":"link"}