H&C 4RPA 4" X 12" ADJUSTABLE PIPE (16107)

Sheet Metal Gas Vent Pipe; Type Double Wall, Adjustable Length; Size 4 Inch Inner Diameter x 4-5/8 Inch Outer Diameter; Length 12 Inch; Material Thickness 0.012 Inch (Inner Wall), 0.018 Inch (Outer Wall); Material Aluminum (Inner Wall), Galvanized Steel (Outer Wall); Temperature Rating 400 Deg F; Insulation Supplied Yes; Applicable Standard UL 441; Minimum Overlap Size 1-1/2 Inch