Yiju 4 Inch 26ft Dryer Vent Hose, Black PVC Lightproof Aluminum Ducting for HVAC Ventilation, Flexible Air Duct Hose for Ac Exhaust, Kitchens,Grow Tent,Green Houses, 2 Clamps Include

4 Inch 8M Tumble Dryer Vent Hose, Black Aluminum 100mm Ducting for HVAC Ventilation, Flexible Air Duct for Extractor Fan, Kitchen, Grow Tent, Green House, 2 Clamps Include…

TUPARKA 4 Pack Large Size Metal Hose Clips 91-114 mm Adjustable Ducting Clamps for Securing Hoses and Pipes Tube

4 Inch - 100 mm Universal Budget Silent Fan Filter Duct Kit for Grow Tent Quiet Operation Inline Extractor Fan Air Diffuser Hydroponic Carbon Filter Flexible Ducting Smell Odor Temperature