ProPlus 7/8 in. I.D. Flush Valve Shank Washer

Used between inner bottom surface of tank and valve flange to prevent leaks. Prevents cracking tank when tightening nuts. Easy to install with your everyday household tools.|Repairs damaged and leaking flush valves|Flexible round shape conforms and seals to toilet tank|Perfect replacement part when repairing flush valve|Helps stop leaks preventing unnecessary water damage|Shank washer sits between inside of toilet tank and flush valve assembly|Durable rubber construction provides reliability and stability