Kohler GP1083167 Toilet Fill Valve was designed by Kohler engineers to maintain high performance and life-time durability. If your fill valve is giving you issues with a leaking fill valve, replace it with an original Kohler part and rest assure the problem will not come up again. The Fill Valve with SilentFill technology provides a quiet tank fill as well as providing an optimizing performance on water usage. Adjustable to fit any height for quick and easy installation.