TEST-TITE Test Plug: 8 to 12 in Nominal Size, 7.09 in Min. Dia., 12.25 in Max. Dia, Rubber - 3EJL2|83282 - Grainger
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Oatey Gripper 4-in dia x Schedule 40 PVC DWV Plug in the PVC DWV Pipe & Fittings department at Lowes.com
SAFE-T-SEAL Test Plug: 10 in Nominal Size, 0.38 in Min. Dia., 10 in Max. Dia, Rubber - 420H63|TTMP-10WF - Grainger
![Amazon.com: EASTMAN 78033 Mechanical Test Plug, Screw and Zinc Nut, ABS EASX1, 2 Inch, Red : Industrial & Scientific Amazon.com: EASTMAN 78033 Mechanical Test Plug, Screw and Zinc Nut, ABS EASX1, 2 Inch, Red : Industrial & Scientific](https://m.media-amazon.com/images/I/51998WbGnjL._AC_UF894,1000_QL80_.jpg)