Fluidmaster® 400CARSP5 PerforMAX® Fill Valve & Specialty Seal KitThe PerforMAX Fill Valve and Specialty Seal Kit takes the guess work out of repairing toilets with specialty flush valves. Cover all the specialty flush valves in the market. Provides you with a PerforMAX fill valve, which provides optimal performance & is the quietest & most powerful fill valve. Includes 4 flush valve seals that work with Kohler, American Standard, Champion 3 & 4, Mansfield & Glacier Bay. Cover all the specialty flush valves in the