Cherne® 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
- Extra large zinc wing nut for ease of tightening, no wrench required
- Natural rubber O-ring for excellent expansion and memory
- Zinc plated carriage bolt resists rust and corrosion
- Ideal for sewer testing and long term applications
- End-of-pipe design seals only at the end of a pipe
- Inside-of-pipe design seals inside pipe as far as needed
- Equipped with easy-to-install extra large zinc wing nut will not rust, natural rubber O-ring galvanized carriage bolt to prevent corrosion
