Package Included: You will receive 3 pieces of silicone flush valve seals, which are perfectly compatible with Kohler K-GP1059291. Enough for your needs and regular replacement.
Product Size: Outside Diameter: 3.35inch / 85mm; Inside Diameter: 2.6inch / 66mm. Please check the size carefully before purchasing.
Effectively Leakage-Proof: Our silicone flush valve seals can prevent toilet tank from leaking effectively, which can well solve your toilet problem. Save your time and energy a lot.
Premium Material: Our canister flush valve kit for toilet tank is made of high-quality silicone, sturdy and wear resistant, not easy to break, ensuring long-term service.
Easy to Install: Just remove the valve stem and old gasket, then wipe off the old rotting rubber, next install the new flush valve seal gasket around the tank lip, lastly check it to make sure the new silicone gasket can normally work.