Korky 723X Top Mount 2-Inch Flush Valve and Premium Flapper Fits 2 inch one-piece toilets, including American Standard 7.5 inch overflow tube height Easy to install Made in the USA 5 Year Warranty Includes: (1) Fixed Height Flush Valve, (1) 2001 Premium Flapper, (1) Installation Driver and (1) Instructions Committed to Quality Made in USA Longest Lasting Products Quick &amp; Easy to Install New &amp; Innovative Products Replace Old Technology