5"x16.4ft Exhaust Air Hose black

5"x16.4ft Exhaust Air Hose, FanGoFast 4-Layer PVC Flex Ducting Hose w/Clamps for HVAC, Grow Tents, Dryer, Garage Ventilation LIGHTPROOF DUCTING : We made this flexible hose with your Grow rooms and grow tent needs. Thick layer of Black PVC on this ducting prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights in the matched size. LOW NOISE SILENCER: This ducting is designed for reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%(We test it really works). 3-LAYER TOUGH: Keep your ventilation system free of rips and pin holes. Under the Black PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to preserve the shape VARIETY OF APPLICATIONS: This flex hose is suitable for any Heating Ventilation & Air Conditioning (HVAC) Purposes as dryer vent hose. It is primarily used with duct fan and 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 WRAPPED EDGE: Upgrade version with two ends wrapped, more safety to install to avoid scratch hands and device.