KOHLER GENUINE PART GP88921 FLUSH BALL/FLAPPER USED IN VARIOUS OLDER ONE-PIECE TOILETS Protect the warranty on KOHLER products, always look for the KOHLER GENUINE PARTS logo 2" flapper used in various older one-piece 3.5+ gpf toilets Corrosion resistant flush ball Compatible with the following KOHLER Models: Palarre 3383, Rochelle 3385, Champlain 3390, Pompton 3400