Lambro Rigiflex 4-in x 96-in Aluminum Semi-rigid Flexible Duct at Lowes.com
Builders Best Flexible Aluminum Dryer Hose Kit (3-Piece) - Thomas Do-it Center
Deflecto 8 ft. Supurr-Flex Dryer Vent Kit RK8WF/2W - Walmart.com
Amazon.com: STEELSOFT Extra Thick (6-ply) 4 inch Flexible Dryer Vent Hose Tubing 25 Feet Extra Long Heavy Duty, 4'' 25 ft Aluminum Foil Flex Duct Hose Air ducting Pipe for Exhaust Fan
VIVOHOME 4 in. x 25 ft. Aluminum Flexible Dryer Vent Hose with 2 Clamps for HVAC Ventilation X001PK8CV9 - The Home Depot