KOHLER GENUINE PART 1188998 2" Toilet Canister Flush Valve Kit KOHLER GENUINE PART 3" canister with a 2" outlet harnesses the natural force of gravity and optimizes flush performance Compatible with KOHLER Cimarron tank model numbers K-4418 and K-4369 Look inside the back wall of the toilet tank to identify tank model number Complete assembly with tank-to-bowl gasket