3" to 4" Test Plug - Safe - T - Seal

- used to pressure test water lines in new construction and in renovation projects.
- distinctive features include: a safety valve to prevent over inflation or blow-out with built in
pressure relief valves
- dual inflation capability gives the user the option of Air or water; a waffle-patterned exterior to prevent the plug from slipping while in the pipe;
- Two-stage deflation on long test plugs which eliminates back wash and flooding during deflation