6" Air Duct - 25 FT Long, Aluminum Flexible Ducting with 2 Clamps, 3 Layer HVAC Ventilation Air Hose - Great For Grow Tents, Dyrer Rooms, House Vent Register Lines 6" DUCTING WITH FLEXIBLE SHAPE: This a value size ducting which is 25 feet long when fully extended. Plenty of length to run an air line to remote HVAC registers, build an intake and exhaust ventilation inside your grow room or any other air circulation needs 3-LAYER TOUGH: Keep your ventilation system free of rips and pin holes. This ducting is built with a layer of Heat Reflective Fire-Retardant Aluminum, Covered with PET for additional endurance and Steel Wire Helix to preserve the Ducts shape FLEXIBLE AND EASY TO USE: Our 6 Inch Duct is super flexible and easy to install, it will slide right on your Duct Fan, Vent Exhaust, Carbon Filter or Light Reflector. We include a pair of 6 Inch Clamps to make the installation a breeze 6" DIAMETER WITH ADJUSTABLE LENGTH: This Ventilation Duct is 6 Inches in diameter and comes in one 25 Feet Long Piece, which can be cut into as many pieces as you need using a wire cutter and a paper knife VARIETY OF APPLICATIONS: Our Ducting Is suitable for any Heating Ventilation & Air Conditioning (HVAC) Purposes. 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 you have in mind