Lambro 4″ x 8′ UL 2158A Semi-Rigid Transition Duct Louvered Vent Kit – Item #313WUL (Replacement # 1379W-R) Individual Multi Purpose Bits Includes pocket-sized Swanson® Blue Book—a

Includes pocket-sized Swanson® Blue Book—a comprehensive reference guide with our One-Number® Method to help workmen make correct angle cuts for any pitched roof

Easy-to-find buttons

Stainless steel retainer adds strength and durability

Gerber 31-000592 Technical Specs:

(1) 4 inch x 8 foot UL 2158A clothes dryer transition semi-rigid duct

Lambro 4″ x 8′ UL 2158A Semi-Rigid Transition Duct Louvered Vent Kit – Item #313WUL (Replacement # 1379W-R) Individual Multi Purpose Bits Includes pocket-sized Swanson® Blue Book—aUL 2158A duct is highly recommended for clothes dryer venting installations. Opening closing flaps prevents outside elements from entering the vent Flexible semi rigid aluminum triple lock design for more durability Ideal for both gas and electric dryer installations UL 2158A listed and labeled as a clothes dryer transition duct UV inhibitor is used to help prevent the premature fading of vent Product Contains: (1) 4 White Plastic Louvered Vent with