Hon&Guan 6'' Insulated Flexible Duct 8 FT Long, Black Noise Reducer Hose Silencer for Inline Duct Fan of Air Conditioner HVAC Ventilation System.

• 【Premium Materiel】Flexible ventilation ducting made of 1*PVC, 2*aluminum foil, 1*centrifugally glass-wool and steel wire helix to preserve the shape. 【Reduce Noise】Hon&Guan Noise Reducer Silencer is designed for reducing nosie from fans and carbon filter systems, can decrease the noise by up to 50%.The inner holes design in the aluminum foil layer could help to reduce noise by allowing some of the sound waves to escape through the holes, rather than reflecting off the foil layer and being amplified within the hose. 【Thermal Insulation】This Flex Duct is intended to be used in heat preservation, cooling, ventilation, with a good thermal insulation performance, works well with your portable ac device, temperature endurance range from -22°F ~ 302 °F (-30℃ ~ 150℃). 【Anti-corrosion and Durable】Thick layer of PVC&2 layers of Aluminum on this ducting prevents gas leaks. Works with extractor and inline duct fans, carbon filters, also be used as a boat blower hose. 【Variety of Applications】Hon&Guan dryer vent hose is suitable for HVAC system. It will move and deliver air in Kitchens (cooking exhaust), Green Houses and Grow Rooms (Air Circulation, Intake, Exhaust and Light Fixture Cooling), Bathrooms (Smell and Moisture Exhaust), Dryer Rooms, Grow Tents and other applications etc., Manufacturer: Hon&Guan