Cherne 4" End of Pipe Gripper Plug (17 PSI)

Cherne’s Gripper plugs can be used in a variety of applications including DWV (drain, waste and vent) testing and stack testing. End-of-Pipe design won’t fall in, whereas the Inside-of-Pipe design allows you to locate the plug inside the pipe as far as you need. Time tested, the Gripper remains one of the most popular mechanical plugs on the market. Features: Plug is rated for 17 PSI or 40 ft. of head pressure Extra large zinc wing nut for ease of tightening, no wrench required Natural rubber O-ring for excellent expansion and memory ABS glass-reinforced plates for added strength Zinc-Plated carriage bolt resists rust and corrosion