The DirectVent Pro 4 x 6-5 8 Inner Diameter Galvanized 16 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, when used 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 Height: 16 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: 3
