Cherne by Oatey 274526 3" - 4" MS2 Long Test-Ball Plug with 5' Extension Hose

Easily test your DWV plumbing systems with this Cherne by Oatey Test-Ball plug. This plug has a long design that is ideal for waste stack testing from floor drain to sewer pipe, and it easily seals wye vertical risers to perform sewer air tests. It has a usage range of 2 3/4" to 4 1/4" to fit a variety of pipes. It holds 30' of head pressure, and it has a maximum back pressure of 13 PSI. It includes a pressure relief valve to prevent over-inflation. The inflatable design of this Test-Ball plug allows you to use only one test plug to fit multiple pipe diameters. The included 5' extension hose allows you to insert the plug farther into the pipe opening while still being able to inflate it. It has a nylon strap and safety handle to prevent it from being drawn into DWV systems, ensuring hassle-free testing. Plus, it offers multi-stage deflation to prevent backsplash. Overall Dimensions: Deflated Length: 23 3/4" Deflated Diameter: 2 3/8"