TerraBloom Flexible 4 Inch Ducting - Black 8 Feet Flex Aluminum Duct with 2 Clamps – 4 Layer HVAC Ventilation Air Hose - Great For Grow Tents, Dryer Rooms, House Vent Register Lines

TerraBloom 4 by 8' Flexible Black Ducting will help to get your ventilation job done quickly and easily. Comes with a pair of clamps for easy installation. Lightproof and Length Adjustable. Fits Fan, Filters and Pipes 4 Inches in Diameter.