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How to Install Fluidmaster's 501 Toilet Flapper

The Fluidmaster® 501 Universal Chlorine-Resistant Toilet Flapper is designed to be a longer lasting and high quality flapper replacement, to fit most 2” flush valves. Best for older toilets, 3.5 GPF or more (before 1994), the 501 toilet flapper stops a running toilet. To learn more about this product, please click here: 501 Toilet Flapper

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