iPower Flexible 6 Inch 25 Feet Aluminum Ducting 4 Layer Protection Dryer Vent Hose for HVAC Heating Cooling Ventilation and Exhaust, 2 Clamps Included, PVC 6 in 25ft, Black

Hon&Guan 6 inch Ducting 16FT Insulated Flexible Duct with 2 Clamps, Grey Three Layer PVC and Aluminum Dryer Vent Hose Protection for HVAC Ventilation, Grow Tents and Duct Fan Systems(150mm-5M)… :

iPower GLDUCT8X25C 8 Inch 25 Feet Non-Insulated Flex Air Aluminum Foil Ducting Dryer Vent Hose For HVAC Ventilation

Hvac Ducting Flexible

iPower Flexible 4 inch 25 ft Aluminum Ducting 4 Layer Protection Dryer Vent Hose for HVAC Heating Cooling

TerraBloom Flexible 6 Inch Ducting - Black 25 Feet Nigeria

iPower GLDUCT8X25C 8 Inch 25 Feet Non-Insulated Flex Air Aluminum Foil Ducting Dryer Vent Hose For HVAC Ventilation

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AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

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 - Yahoo Shopping

Exhaust Hvac

Everbilt 4 in. x 25 ft. Flexible Foil Duct TD425PHD - The Home Depot

iPower Flexible 4-2in. Aluminum Ducting Dryer Vent Hose for Hydroponics Exhaust

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TerraBloom 4 Inch Aluminum Flex Duct - 8 FT Long, Flexible Ducting with 2 Clamps, 3 Layer HVAC Ventilation Air Hose - Great for Dryer, Grow Tent, Green Houses, Household HVAC Venting - Yahoo Shopping