This is a Toilet Flush Valve Assembly for American Standard Cadet, Crain and Toto. This has a 7 inch overflow tube that is in a fixed position just great for this style toilet. This Flush Valve comes with a premium Flapper and chain. Comes with a 3 inch flapper and chain assemblyFlush valve assembly for American Standard Cadet toiletFixed 7 inch overflow tube made specifically for these toiletsCenter pull flapper just like original equipment