Description Kohler GP1138930 Hi-Speed Adjustable Fill Valve Adjustable 7-14 inch height, Anti-Siphon Fill Valve Water Saver Corrosion-resistant Material Universal fit for both 1 and 2 piece toilets that are bottom water fed with a 7/8″ pipe connection 7/8″ strainer catches sediment in the water and allows valve to be serviced Fixes: running, noisy, slow refill, and weak flushing toilets