The Fluidmaster K-540A-015 Adjustable 3 in. Flush Valve Repair Kit, comes with everything needed to enhance your toilets flush performance. Quickly repair tank to bowl leaks and save water. An easy to install design that fits 3 in. toilet flush valve HET toilets (built 2005 and newer) and fits most common models. Now featuring our helpful toilet tool, a red toilet wrench, to speed up installation and eliminate hassle. Repair broken flush valves, or simply upgrade standard designs. The flush valve overflow tube is easily adjustable to fit more tank. While the 3 in. adjustable toilet flapper allows for a customized water use with each flush to save. Built durable with a solid frame, silicone seal corrosion resistant materials. Includes 3 in. flush valve, gasket, hardware and tool for a complete repair.