The DirectVent Pro 4 x 6-5 8 Galvanized 8-1 2 Pipe Extension (Black) 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 -1 2 pipe adds 3- 7 of length, 16 pipe adds 3- 14 -1 2 of length, whenused with rigid sections of pipe. Direct vent lengths feature a fully unitized, twist-lock construction. Use of sealant is optional, unless specified by the appliance manufacturer. Does not fit DirectVent GS pipe.ADA Compliant: No Finish: Black Fuel Type: Natural Gas, Liquid Propane Material: Aluminum, Galvanized Steel Pipe Class: Direct Vent Pipe Inside Diameter: 4 x 6-5 8 Pipe Shape: Round Style: Contemporary Modern UL Listed: Yes Vent Construction: Double Wall Weight: 2
