Hart & Cooley® Round Gas Vent Pipe, Series: RP, 4 in ID x 4-1/2 in OD Dia, 18 in Length, 0.012 in Thickness, Steel, Galvanized
- 3 to 12 in pipe and fitting couplers overlap 1-3/8 in when joined together; therefore, assembled length is 1-3/8 in less than listed length
- The allowable min clearance to combustibles is 1 in
- A full set of installation instructions are supplied with caps and supports
- For type b gas vent system
- 0.018 in G90 galvanized steel outer
- Aluminum inner