Moen M5725 Gasket Sponge, Sponge Rubber, For: 3 in Flush Valves

The point of connection between the toilet tank and toilet bowl is sealed by a rubber gasket. Over time the rubber can dry out with age and may result in your toilet leaking water. Replacing with a new gasket will help fix a leaky toilet. Fits 3 in flush valves. Sponge rubber. Extra thick.