Silicone Seal for Flush Valve (66mm OD, 36mm ID, 51mm Lip) (2-5/8-inch OD, 1-7/16-inch ID, with 1-11/16-inch Lip)

Kohler Silicone Seal #1131496 Kohler flush Valve seal #1331496 Silicone Seal for Flush Valve Gravity-tank flappers and seals cover the outlet where water leaves the tank to fill the bowl of a gravity-flush toilet. The flappers lift up to release water for flushing and reseat after flushing to hold water within the tank. Seals are rings that form a seal around the flappers. Kohler #1131496 Silicone Flush Valve Seal. 2- 5/8-inch OD, 1- 7/16-inch ID, with 1- 11/16-inch Lip Equivalent 66 mm Outside Diameter, 36mm Inside Diameter, with 51mm Lip Seals made of high density silicone to repel hard water deposits of calcium Replace your silicone seals every 4-8 years