Amazon.com: Cenipar Dryer Vent Hose-4 inch Ducting Vent Hose Flexible Aluminum Foil Non-Insulated (4 inch 8 feet) with 2 Clamps : Appliances
VIVOHOME 4 Inch 25 Feet Aluminum Flexible Dryer Vent Hose Air Ducting Non-Insulated with 2 Stainless Steel Clamps for HVAC Ventilation and Exhaust Pack of 1 - Amazon.com
Flexible Dryer Duct Air Aluminum Vent Pipe 8 Feet x 4 Inch Includes 2 Metal Ring - Walmart.com
4'' x 24'' Rigid Aluminum Dryer Vent Pipe Case of 25