Aluminum Ventilation Reducer with Enhanced Flexibility Review

【STURDY VENTILATION DUCT】3 Inch air duct hose made of aluminum foil thick layer of white PVC on this ducting, prevents light leaks. Flame-retardant coating,working on -22 to 266°F environment. 【LOW NOISE & LEAK PROOF】 This is reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%. Steel spring wire lock together with the aluminum foil both outside and inside to form an airtight and leak proof lock system. 【SUPER FLEXIBLE】Can be bent at 360° and freely stretched as well without deformation,no rigid elbow, help to reduce the ventilation resistance and the leak of wind. 【EASY TO INSTALL】3 Inch 16 Feet Length (when fully extended) dryer hose with 2 x 304 stainless steel duct clamp,easy to secure on your inline fan or other duct openings, then use screwdriver fix the clamp on ducting. In additional, the length can be cut, you can simply cut it with scissor for what you ideal size. 【Various Applications】Black dryer vent hose will move and deliver air in HVAC, Air Conditioner, Dryer Rooms, Bathroom(smell and moisture exhaust), Kitchens(cooking exhaust), Grow Tent and so on.