The Fluidmaster 500 Universal 2” Toilet Flapper features a solid frame design, to resist bending, or twisting and secure the best seal with every flush. Eliminate having to jiggle the toilet handle with this universal design that fits most 2” flush valve toilets. Includes a 1 year warranty and built-in Microban technology. Only Fluidmaster has toilet flappers with built-in Microban protection. Not just simply a coating, Microban is specifically built into the construction of our flappers to fight flapper breakdown and combat bacteria. Upgrade your old toilet flapper to a high-quality replacement, the Fluidmaster® Universal Toilet Flapper.