Selkirk 4-in x 5-ft Galvanized Steel Gas Vent Pipe with Aluminum Inner Liner, UL Listed, 150 PSI, 400F Max Temp Item #1120733 | Model #CMXMLBA1800 12-in front to back

12-in front to back

single-package convenience with optimum taping and topping performance

Excellent adhesion to difficult substrates

dust rags and much more

Selkirk 4-in x 5-ft Galvanized Steel Gas Vent Pipe with Aluminum Inner Liner, UL Listed, 150 PSI, 400F Max Temp Item #1120733 | Model #CMXMLBA1800 12-in front to backDesignated for use on approved gas appliances, the 4 in. x 60 in. round type B gas vent pipe is ideal for residential, light commercial and industrial applications. The exclusive lock tab feature adds versatility to installation. An improved joint design provides for a rapid and secure connection in seconds, the use of our lock tab feature gives installers the option of engaging this tab instead of using sheet metal screws Size refers to the inside