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513A-016 Universal 3" Flapper

Fluidmaster’s 513A-016 is our newest 3 inch Water-Saving Adjustable Flapper. This universal toilet flapper fits more toilet brands including American Standard, Kohler, Gerber, Toto, Glacier Bay. The 513A flapper features simple adjustable flapper arms, that will adapt to fit more 3 inch flush valves and comes with interchangeable frame arm adaptors to fit specialized flush valves that are used in both Mansfield and Cato toilets. You also can customize the flush by simply turning the adjustable bulb for a stronger flush in the bowl.  This long lasting flapper also features a durable silicone seal that lasts up to 10x longer than standard designs.

  • Replaces more models of 3 inch toilet flappers
  • Fits specialized flushing systems used by Mansfield and Cato models
  • Fits more toilet brands including American Standard, Kohler, Gerber, Toto and more
  • Easy to install, Easy to find!
  • Durable long lasting silicone seal
  • Chlorine and hard water resistant**
  • 10 year warranty

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

** 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.

If you have a Mansfield or Cato toilet, please watch this video on how to install the 513A flapper:

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5401GB - Adjustable 3" Flapper

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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