Duct Silencer Low Noise Flexible Ventilation Hose-Insulated Aluminum Air Duct

Purpose: Fan Pipeline Installation Easy to install Can bend Waterproof and corrosion resistant Thickened aluminum foil Built-in muffler cotton Silencing noise reduction Materials : PVC, Aluminum Foil; Temperature range: -30 ° C to 150 ° C. Suitable for air conditioning, hood, dryer, extractor. Outer PVC is Insulated from Aluminum FoilTube 【Premium materiel】flexible ventilation ducting made of 1*PVC,2*aluminum foil,1*centrifugally glass-wool and steel wire helix to preserve the shape. 【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 which are 4" in diameter. 【Sound insulation】with centrifugally glass-wool inside,have good sound-absorbing performance,which can decrease the noise by up to 50%. 【Thermal insulation】with a good thermal insulation performance, works well with your portable ac device, temperature endurance range from -22°F ~ 302 °F (-30℃ ~ 150℃). 【Wide applications】our ducting is suitable for any heating Ventilation & Air Conditioning (HVAC) Purposes. Such as kitchens (cooking exhaust), green houses and grow rooms (air circulation, intake and exhaust), bathrooms (smell and moisture exhaust), dryer rooms, grow tents and other. PH881_PH881-2PH881-3PH881-5PH881-6PH881-7PH881-8PH881-9PH881-1