Home Improvement Rough Plumbing - IPS Corporation Drain Cleaning Equipment : 2 Inch FLUSH MECHANICAL CLEANOUT REPAIR PLUG. Stainless Steel flast head screw!. Cannot fall into the pipe!. Comes with wrench!. Patent 7,464,727. UPC: 012181836873. The first cleanout repair plug the really works! (Does not rely on threads to seal.) Test-Tite® Flush Cleanout Repair Plug, 2 in Pipe, Domestic Consolidated Supply Co. Cherne ® Clean-Out Gripper ® 270178 Mechanical Pipe Plug Ips 83687 2-inch Flush Mechanical Cleanout Repair Plug Valve IPS Corporation 83687 2 Flush Mech. Cleanout Repair Ips 83687 2-inch Flush Mechanical Cleanout Repair Plug Kit Back pressure actually increases sealing ability!