Lambro 4″ x 8′ UL 2158A Semi-Rigid Transition Duct Louvered Vent Kit – Item #313WUL (Replacement # 1379W-R) Individual Multi Purpose Bits Stainless steel retainer adds strength

Stainless steel retainer adds strength and durability

These pre-measured packets offer a hassle-free application process

20 per box

Gerber 31-000592 Technical Specs:

Lambro 4″ x 8′ UL 2158A Semi-Rigid Transition Duct Louvered Vent Kit – Item #313WUL (Replacement # 1379W-R) Individual Multi Purpose Bits Stainless steel retainer adds strengthUL 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