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.
Original Gripper® Plug Features:
- Ideal for sewer testing and long-term applications
- Made with glass-reinforced ABS plastic
- 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 – won’t rust
- Natural rubber O-ring
- Galvanized carriage bolt to prevent corrosion