DuraVent DuraVent 4" Inner Diameter - DirectVent Pro Direct Vent Pipe - Double Wall - 8" Pipe Length

DirectVent Pro Collection 4" Inner Diameter Galvanized 8-1/2" Pipe ExtensionThe DirectVent Pro 4" Inner Diameter Galvanized 8-1/2" Pipe Extension is a component that is used in a typical venting installation. The DuraVent pipe extension is used to add length to a straight length of DirectVent Pro. 8 ½” pipe adds 3”- 7” of length, 16” pipe adds 3”- 14 ½” of length, when used with rigid sections of pipe. Direct vent lengths feature a fully unitized, twist-lock construction. Use of sealant is optional, unle...