4" Diameter x 20 Ft. Supurr-Flex UL Listed Multi-Layered Duct
This deflecto Supurr-Flex duct is the perfect accessory for ceiling venting. 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.