Unbranded 4 in. x 25 ft. ProFlex Aluminum Dryer Duct

Dundas Jafine's ProFlex dryer duct is ideal for both gas and electric clothes dryer applications. Constructed of heavy duty, fire resistant aluminum foil laminate that encapsulates a high density, corrosion resistant wire helix. This forms an air tight and easy to use air duct. UL2158A Listed (only ducts 8 ft. or less can be UL Listed and marked).UL2158A Listed4-ply aluminum foil laminateHeavy dutyFire resistantNote: per UL2158A only ducts 8 or less can be UL markedHow to Clean a Dryer Duct