4" Diameter x 20 ft. UL Listed Supurr-Flex Clothes Dryer Transition Duct
This Supurr-Flex duct is the perfect accessory. The multi-layered duct has the capability of connecting two items up to 20 ft. The multi-layered duct is flexible and easy to install. The metallic duct can be used for heating, cooling, or exhaust. This metallic duct is best for clothes dryer duct, fresh air intake and non-insulated ventilation duct.