Toilet Flappers

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Toilet Flappers

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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

Fluidmaster Flapper for Older Toilets
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Buyer’s Guide rates the 504 flapper as the “Best Value Flapper” in 2024. Click here to read the article: Best Toilet Flappers

The 504 toilet flapper is best for older toilets that require a 2″ flapper. This flapper is the #1 pick amongst toilet flappers in 2022 by FindThisBest.com

  • 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

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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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.

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504 - Universal Flexible Frame 2" Flapper

Download Installation Instructions

FLUIDMASTER RECOMMENDS

  • UPGRADE
  • ALSO REPLACE
  • ENHANCE Toilet Bowl Cleaner

Frequently Asked Questions

  • What size flapper do I need?

COMMON PROBLEM WITH TOILET SEALS

WARNING:

Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Find a Store

BUY ONLINE

The 504 - Universal Flexible Frame 2" Flapper is available online, from our following retail partners.
IN THE UNITED STATES: