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4 in. Muni-Ball Plug, 3/4 in. Bypass
Single-Size Underground Muni-Ball Plugs offer a full bypass, allowing both testing and monitoring of piping systems. This makes them ideal for installation and repair of residential or commercial piping systems. Cherne Industries is a global leader in pipe plug, blocking and testing.
Works in all types of pipe
Easily converts to an air test plug with use of a conversion kit
Durable natural rubber construction seals the roughest of surfaces
8", 10", 12" and 15" plugs include two-port plug for easy use in sewer air tests
Threaded aluminum bypass
Maximum Back Pressure
22 psi/50 ft
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