Protect the on KOHLER products, always look for the KOHLER GENUINE PARTS logo 2" shark-fin flapper for various one-piece toilets Corrosion resistant Compatible with the following KOHLER models: Memoirs 3451, 3453, Gabrielle 3322, Santa Rosa 3323, Kathryn 3324, San Raphael 3384 Devonshire 3488, Revival 3360, Ankara 14230-TF, Rialto 3386 Note: The two inches should be measured at center to center of the inside of the flapper (where the arms of the rubber flapper would attach to the flush valve when installing). This measurement on this service part should be 2.1 inches making it a 2-inch flapper NOT A UNIVERSAL FIT: intended for specific models stated above