Replacement flush valve for American Standard toilets. Features durable plastic construction for strength and durability. Compatible with American Standard flush valves. Fits Models #4, #5 and #6 Actuating Units. Easy do-it-yourself installation. Includes Float, 2 Screws, Bracket, 2 Nuts, Seat Disc, Chain, Chain Clip, Pin, Adapter, and 3 Snap In Adapters, 2 Nuts, 2 Screws, 3 Snap In Adapters, Adapter, Bracket, Chain, Chain Clip, Float, Pin, Seat Disc.