Upgrade your bathroom with the Korky 435CM Universal 3 in. Flush Valve Seal Kit. This kit includes a red valve seal, a flush valve, and a Korky 435CM model. The valve seal kit is perfect for replacing old, damaged or worn out valves in your bathroom. The kit is designed to fit most toilets and is easy to install. The Korky 435CM kit is made of high-quality materials which guarantee long-lasting performance. Experience a leak-free and smooth flushing process with the Korky 435CM Flush Valve Seal Kit.