Everbilt 6 in. x 25 ft. Flexible Aluminum Foil Duct

This 6 in. x 25 ft. flexible aluminum foil duct is ideal for bathroom fan exhausting and other general-purpose exhaust applications. 3-layers of aluminum foil laminate are included in its composition that will withstand up to 250 degree F temperatures. This product has been rated as an air duct connector under UL 181.