Cherne Underground Muni-Ball Plugs offer a full bypass, allowing both testing and monitoring of piping systems. These plugs are ideal for installation and repair of residential or commercial piping systems. Cherne Industries is a global leader in pipe plugs and testing.
Features:- One plug fits multiple pipe diameters.
- Made of natural rubber for excellent expansion and memory
- Seals both round and out-of-round pipe
- Removable inflation valve can be replaced if damaged or replaced with quick disconnect fitting
- Use to block flow or as a back plug for sewer air testing