Fluidmaster Pro-Series FlappersPro-Series Flappers from Fluidmaster have Microban technology protection that actively inhibits bacteria growth that contributes to flapper breakdown. Made from high-quality rubber, Pro-Series Flappers can stand up to the harshest water conditions. They feature an adjustable dial for maximum performance, water savings, and are chlorine and hard water resistant. The flappers are designed with a solid frame for a solid seal, eliminating any twisting. Also included is a 12-inch kink-free metal chain to prevent jiggling of the handle to get the toilet to stop running. The complete line of flappers will fit 1.28, 1.6, 3.5+ gpf toilets on
