TerraBloom Flexible 12 Inch (315mm) Ducting - Black 25 Feet Durable Aluminum Duct with 2 Clamps – 4 Layer HVAC Ventilation Air Hose - Great for Grow Tents, Dryer Rooms, House Vent Register Lines

Brand: TerraBloomColor: BlackFeatures: LIGHTPROOF DUCTING - We made this aluminum 12 inch duct with your Grow Room Ventilation needs in mind. Thick layer of Black PVC on this ducting prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 12.3" (315mm) in diameter 4 LAYER PROTECTION- Our 12" inch flexible duct Keeps your ventilation system free of rips, pin holes and resistant to leaks. Under the White 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 FLEXIBLE & EASY TO USE- TerraBloom 6 inch duct hose is super flexible and easy to install. It will slide right on your Duct Fan, Vent Exhaust, Carbon Filter or Light Reflector. This HVAC ducting includes a pair of 6 Inch Clamps to make the installation a breeze 12.4" (315mm) DIAMETER WITH ADJUSTABLE LENGTH- Our 6 inch air duct comes in one 8 Feet Long Piece, which can be cut into as many pieces as you need using a w