One size fits multiple pipe diameters, doing the job of 2+ single-size plugs.
Use to block flow (water DWV test) or as a back plug for sewer air testing.
Seals both round and out-of-round pipe.
Description
Cherne Multi-Size Underground Test-Ball Plugs are designed for blocking flow while allowing for maintenance in sanitary and storm sewer systems. Cherne Industries is a global leader in pipe plug, blocking and testing.