Fluidmaster PerforMAX Fill Valve & 3 In. Flapper KitThe Fluidmaster PerforMAX Toilet Fill Valve and Flapper Kit offers the best solution to optimize your toilet flush, while saving water and money. Quickly solve common toilet problems such as; noisy toilet, running toilet, leaky toilet, and weak flush with one kit. A universal design which fits most flush valve toilets including Kohler, Toto, American Standard, and more. Featuring the high performance PerforMAX Fill Valve the quietest, most powerful