Easily fix a deteriorated flush valve seat with the Fluidmaster PerforMAX Flush Valve Repair Kit. The quickest and easiest way to fix leaks from your flush valve, with its no tank removal “peel and stick” process. Simply peel the protective paper off the sealant ring and stick right on top of your existing 2” flush valve seat, it’s that simple. The included PerforMAX 2” Adjustable Flapper, has an adjustable dial for a customized flush and water-savings. Other features include a solid frame flapper design to ensure a secure seal and eliminate twisting, and built-in Microban technology to fight bacteria on the flapper itself. Quickly repair leaks, while upgrading your flapper with the PerforMAX Flush Valve Repair Kit.