4/6 inch Aluminum Foil Air Duct Flexible Ducting with 2 Clamps HVAC Ventilation Air Hose
Rubber-Cal PVC Flexduct 1 in. D x 12 ft. Coil Flexible Ducting Blue 01-203-1-12 - The Home Depot
18" Inch Flexible Aluminum Ducting Hose Insulated R-4.2 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation - 25' Feet Long - in Accordance with UL 181 - Amazon.com
16" Inch Aluminum Hose Flexible Insulated R-6.0 - HVAC Premium
Spectre Blue Air Ducting Hose
Heating & Cooling Products 3" x 60" 26 Gauge Spiral Metal Duct Pipe at Menards®
TerraBloom 8 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 - Amazon.com