Size: Large (3”).ADJUSTS TO FIT ALL 3-INCH TOILET FLUSH VALVES found in newer, HET toilets including, American Standard, Aqua source, Crane, Eljer, Ferguson, Gerber, Glacier Bay, Jacuzzi, Kohler, Mansfield, Pegasus, TOTO and many more QUICKLY FIX running and leaking toilets and eliminate costly water waste KORKY INVENTED THE TOILET FLAPPER VALVE and is still the preferred brand by plumbers for superior quality and reliability MADE IN USA - Proudly made in America and backed by a 5 year warranty. Flapper made of chlorine resistant rubber HIGH QUALITY REPLACEMENT TOILET PARTS: Need to repair or replace toilet parts? Try Korky Toilet Repair because we continue to commit to designing toilet repair parts that are universal to fit the majority of toilets. Designed & manufactured in Wisconsin.