Lambro 1375B UL 2158A Transition Duct Preferred Hood Vent Kit, Brown, 4" x 8' SpecialDiscount Its name says it all

Its name says it all

Use in place of support brackets when stacking 2 or more shelves

For workplace/Occupational application only

Flare joints without splitting or cracking

Lambro 1375B UL 2158A Transition Duct Preferred Hood Vent Kit, Brown, 4" x 8' SpecialDiscount Its name says it allLambro's Preferred Hood Vent Kit features UL 2158A duct, which is highly recommended for clothes dryer venting installations. Opening closing damper prevents outside elements from entering the vent. Flexible laminated foil design for easier installation. 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. Color: Brown