HonGuan HonGuan 4 Insulated Flexible Duct 8 FT Long Black Noise Reducer Hose Silencer for Inline Duct Fan of Air Conditioner HVAC Ventilation System

Noise ReducerAbsorptionThe internal structure of glass wool is fluffy and the overall density is large noise can be reduced by allowing some of the sound waves to escape through the holes rather than reflecting can decrease the noise by up to 50 Thermal InsulationThis 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 22F 302 F 30 150 Four Layer ProtectionHeavyduty four layer protection design 1 PVC2 aluminum foil1 centrally glass wool with 2 clamps and the outermost layer of this insulated flexible duct can prevents cute pets from biting and breaking AntiCorrosion DurableThick layer of PVC2 layers of Aluminum on this flexible ducting prevents gas leaks effectively Works with extractor and exhaust inline duct fans carbon filters also be used as a boat blower hose Variety of ApplicationsHonGuan insulated flexible duct 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.