Everbilt 4 in. x 8 ft. Flexible Aluminum Dryer Vent Duct BTD48HD - The Home Depot
Premium 4-Inch Dryer Vent Hose - 8ft Long Flexible Duct with Heavy-Duty Four -Layer Protection - Ideal for Heating, Cooling, Ventilation - Includes Clamps and Insulated Tape - Yahoo Shopping
4 Inch Vent Hose
AC Infinity Flexible 12-Inch Aluminum Ducting, Nepal
4 Inch Vent Hose
iPower Flexible 3/4/6/8 inch Aluminum Ducting Dryer Vent Hose for HVAC Exhaust
Everbilt 4 in. x 25 ft. Flexible Foil Duct TD425PHD - The Home Depot
Master Flow 12 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket F6IFD12X300 - The Home Depot
iPower Flexible 4 Inch 8 Feet Aluminum Ducting 4 Layer Protection Dryer Vent Hose for HVAC Heating Cooling Ventilation and Exhaust, 2 Clamps Included, Gray