Fluidmaster Super Fit Super Flapper 504

The Fluidmaster Super Fit Super Flapper is an ultra-durable one-piece replacement flapper, ideal for harsh water regions. Universal design fits most toilets, including American Standard actuator units. Attaches to existing mounting ears on overflow pipe; built-in adapter ring fits most overflow pipes without mounting ears. Chlorine-resistant, won't rot in harsh water. Strong, kink-free metal chain.