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Pro Series > Flappers
PRO53 Universal Flexible Flapper w/Microban®
![](https://www.fluidmaster.com/wp-content/uploads/2016/12/Flapper_PRO53_520x600.png)
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Give your customers a long lasting flapper seal with Fluidmaster’s PRO Series Flappers. Only Fluidmaster has toilet flappers with built-in Microban® protection that actively inhibits bacteria growth that contribute to flapper breakdown.
The PRO53 Heavy Duty Flapper features a flexible design and is best suited for 3.5+ gallons per flush toilets.
- Flexible design – fits on flush valves with or without mounting ears
- Fits most 2” flush valves
- Built-in Microban®
- Best for 3.5+ GPF toilets
![](https://www.fluidmaster.com/wp-content/themes/fluidmaster/images/prop65warning.png)
Cancer and Reproductive Harm - www.P65Warnings.ca.gov.