Amazon.com: Dryer Duct Hose 4 inch by 12 Feet, Abuff Flexible 4-Layers Aluminum Dryer Vent Tube Transition Duct with 2 Screw Clamps Great as HVAC Duct, Clothes Dryer Duct, Air Duct : Appliances
Amazon.com: 4Inch 10FT Long Flexible Aluminum Air Ducting, Heavy-Duty Black 4 Layer Dryer Vent Hose, Dryer Duct for HVAC Ventilation,duct fan systems, 2 Stainless Steel Clamps Include : Appliances