3 inch 16 FT Long Air Ducting, Heavy-Duty Four-Layer Protection Dryer Vent Hose for Heating Cooling Ventilation and Exhaust-with 2 Clamps, Black (Pack of 2)

The details below apply per pack.
Low Noise Silencer: Crafted to muffle noise from fans and carbon filter systems, it can lower the noise by up to 50%.
3 Inch Ducting Lightproof: A dense layer of Black PVC on the ducting blocks light leaks. It works with exhaust and intake fans, carbon filters, and hooded lights that are 3" in diameter.
3-Layer Tough: Keeps your ventilation system free of rips and pin holes. Beneath the Black PVC layer, the ducting is constructed with 2 layers of Aluminum Foil, plus a layer of PET and Steel Wire Helix to retain its shape and keep your ventilation system free of rips and pin holes. Flexible and Easy to
Use: The 3 Inch Duct is highly flexible and simple to install; it slides directly onto your Duct Fan, Vent Exhaust, Carbon Filter, or Light Reflector. This Ventilation Duct measures 3 Inches in diameter and arrives as one 16 Feet Long Piece, which can be divided into as many sections as you need with a wire cutter and a paper knife.
Variety of Applications: This ducting is appropriate for HVAC systems. 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