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5401GB - Adjustable 3" Flapper

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The 5401GB 3” Glacier Bay® Adjustable Flapper will help solve a running toilet problem and restore factory performance to your toilet. Specifically designed to fit and enhance performance on Glacier Bay® 3” Flush Valve Toilets, but this model also works on American Standard® Cadet 3.

  • Quickly restore flush performance to your Glacier Bay® Toilet
  • Designed to fit Glacier Bay® 3” flush valve toilets
  • Easy to install
  • Adjustable dial for flush performance and water savings
  • Long lasting silicone seal
  • Chlorine and hard water resistant**
  • Solid frame for the best seal- no twisting
  • 10 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 newer toilets, 1.28 & 1.6 GPF (after 1994).  Save water with the adjustable dial design, simply turn for more, or less water flushed. This high quality design also features a durable silicone seal, that lasts up to 10x longer than standard models, and is chlorine and hard water resistant. Fluidmaster®’s 5401GB Glacier Bay® Adjustable 3” Flapper saves water and maximizes performance.

** 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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5401GB - Adjustable 3" Flapper

Download Installation Instructions

FLUIDMASTER RECOMMENDS

  • Also Replace
  • ENHANCE Toilet Bowl Cleaner

Frequently Asked Questions

  • How is the 5401 3’ flapper different than the 5403 flapper?

  • What is the difference between solid frame and flexible frame flappers? Does one have more advantages than the other?

WARNING:

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

BUY ONLINE

The 5401GB - Adjustable 3" Flapper is available online, from our following retail partners.
IN THE UNITED STATES:
IN CANADA: