Fluidmaster 507A 2" Flush Valve W/ Flapper

Flush valve kit for pre-1994 model toilets that use 3.5 gallons per flush toilets or more. the flush valve controls the water within the tank and the flapper actuates the flushing action. easy to install saves water, stops leaks at the drain makes future repairs easy, simply snap on flapper model 500, 501, 502 to replace 5-year warranty.