Fluidmaster 5 Minute Toilet Flush Valve Repair Kit

5 Minute Toilet Flush Valve Repair Kit. Fix a bad flush valve seat in 5 minutes without taking off the tank with the 555C Toilet Flush Valve Repair Kit. The 555C fits right on top of an existing toilet flush valve seat, and is secured down by a special sealant ring that goes on without any messy glues or adhesives. The included timing cup allows the 555C to work on older toilets, too.

True universal flapper
Provides new drain seat for damaged flush valves
Works on most toilets
Chlorine-resistant, rigid frame flapper
5-year warranty
Adjustable timing cup for most efficient flush