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The 504 - Universal Flexible Frame 2" Flapper is available online, from our following retail partners.

IN THE UNITED STATES:

504 - Universal Flexible Frame 2" Flapper

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Stop a running toilet with the durable Fluidmaster® 504 Chlorine-Resistant Toilet Flapper
Universal – Fits most 2” flush valves
Easy to install
Flexible design – fits on flush valves with, or without mounting ears
Chorine and hard water resistant**
Kink-free metal chain
Built-in Microban® technology
5 year warranty

Best for older toilets, 3.5 GPF or more (before 1994)

Fluidmaster®’s 504 Long-Lasting Toilet Flapper is designed to withstand harsh water conditions. Featuring chlorine-resistant material and built-in Microban® to extend lifespan. Only Fluidmaster® has toilet flappers with built-in Microban® protection. Not just simply a coating, Microban® is specially built into the construction of our flappers to fight flapper breakdown and combat bacteria. This versatile flexible frame design fits flush valves with or without mounting ears, and works with most 2” brass and plastic flush valves. Quickly eliminate water waste due to a faulty flapper with Fluidmaster®’s 504 Universal Chlorine-Resistant long-Lasting Toilet Flapper.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.