Flexible Duct #050 NON-INSULATED FLEXIBLE AIR CONNECTOR
Triple laminate of metalized polyester - aluminum foil - polyester construction with encapsulated wire helix, used for supply or return where non-insulated duct is required and permitted by code.
Lightweight, strong flexible duct easily conforms to curvatures of any installation where rigid metal duct is not usable. Shipped in 8-foot lengths, easily cut with knife.