Fluidmaster 2 in. Universal Longest Lasting, Chlorine Resistant Toilet Tank Flapper

Item # 191061 | Fluidmaster Part # 501P21 | UPC Code 039961005014 | UNSPSC Code 30181811 | Catalog Page #308
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Product Overview

The Fluidmaster 2 in. Universal Longest Lasting Toilet Flapper with Microban is designed with quality in mind. This long lasting toilet flapper features a durable solid frame design, with corrosive resistant materials, and built-in Microban to help resist bacteria growth. Only Fluidmaster has toilet flappers with built-in Microban protection, which keeps the flapper cleaner by fighting flapper breakdown due to bacteria on the flapper itself. The solid frame resists bending or twisting creating a solid seal every time. Showcasing fast and easy installation, a universal fit for most 2 flush valve toilets, and a 5-year warranty. This 501 flapper is an ideal choice for problem toilets. Fluidmaster suggests best use for toilets pre-1994 with a 3.5 - 7 Gal. per flush volume. Use this Fluidmaster 2 in. universal toilet flapper to solve running toilet, or ghost flushing problems.

  • Fix common running and leaky toilet problems with this 2 in. flapper
  • Easy to install, universal design fits most toilet models
  • Fits 2 in. flush valve toilets
  • Corrosive-resistant material build for durability
  • Built-in Microban technology
  • Kink-free chain included
  • Replaces corroded and leaky flappers
  • 5 year warranty
  • Solid frame design prevents twisting for the best seal possible

Proposition 65 Information

Prop65 Warning Icon WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov


Manufacturer Warranty
5 year
Pack Size
Plumbing Part Type
Toilet Flapper
Product Depth (in.)
Product Height (in.)
Product Width (in.)
Standard Color Family


5 year