4″ x 8′ Flexible Semi-Rigid Aluminum Duct Louvered Vent Kit – Item #313W (Replacement # 1379W-R)

Semi-rigid aluminum duct is ideal for applications where building codes require use of all aluminum duct.  The duct is totally non-combustible with a maximum operating temperature of 400°F.

• Opening/closing flaps prevents outside elements from entering the vent
• UV inhibitor is used to help prevent the premature fading of vent

Product Contains:
(1) – 4″ White Plastic Louvered Vent with 11″ Tail Pipe
(1) – 4″ White Plastic Trim Plate
(1) – 4″ x 8′ Flexible Semi-Rigid Aluminum Duct
(2) – 4″ Metal Worm Gear Clamps