Fluidmaster, 3", Adjustable Flush Valve Kit Quickly Repairs Leaks, While Saving Water In 1 Easy To Install Design, Height Adjusts Up Or Down To Fit Most Toilet Models & Sizes, Flapper Also Adjusts To Optimize Performance & Fine Tune Water Use, Includes Everything Needed To Restore Your Toilets Flush, Parts Include Adjustable Flush Valve, 3" Flapper, Gasket, Bolts, Washers & Nuts For A Complete Repair, Fits Most Common 3" Flush Valves For Durably & Long Lasting Performance.