Cherne by Oatey 041386 8" Single-Size Underground Test-Ball Plug

Easily test your plumbing systems with this Cherne by Oatey Test-Ball plug. This plug blocks flow in your pipeline, which allows for maintenance in sanitary and storm sewer systems. It can also be used as a back plug for sewer air testing. The inflatable design fits in hard-to-reach pipe openings and has a usage range of 7" to 8 1/4". It holds 40' of head pressure, and it has a maximum back pressure of 17 PSI. This plug has a natural rubber body that provides excellent expansion and acts as a fantastic seal in both round and out-of-round pipes. It has an inflation valve that can easily be removed for replacement thanks to the quick disconnect fitting. This plug comes with a 3/8" eye bolt to attach a poly-lift line (sold separately), which allows for easy lifting and lowering of your test plug. Overall Dimensions: Deflated Length: 10 1/4" Deflated Diameter: 6 3/4"