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How to Install Fluidmaster's 5403 Toilet Flapper

Quickly solve common leak and running toilet problems with Fluidmaster®’s 5403 3” Water-Saving Adjustable Flapper. Made for newer 3” flush valve toilets, this model is a fast and simple install. Best for newer toilets, 1.28 & 1.6 GPF (after 1994).  Fits American Standard®, Kohler® Cimmaron, Toto® and other toilets and is chlorine and hard water resistant. To learn more about this product, please click here: 5403 Toilet Flapper

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