Korky 4030PK Adjustable Toilet Flush Valve, Toilet Flapper and Tank to Bowl Gasket Kit - Quick and Easy to Install - Made in USA UNIVERSAL TO FIT MOST 2-piece toilets FIXES ALL COMMON FLUSH VALVE AND FLAPPER PROBLEMS, including Leak between tank and bowl and worn flush valve seating surface QUICK TO INSTALL, the height of the flush valve adjusts with a twist and eliminates the need for a hacksaw REDUCE RISK OF FLOODS with the oversized flush valve tube INCLUDES THE MOST UNIVERSAL TOILET FLAPPER - The High Performance Flapper is the most universal 2 inch flapper available MADE IN USA - Proudly made in America and backed by a 5 year warranty EASY TO INSTALL, THE 4030PK Includes: (1) Flush valve, (1) 100 Ultra Flapper, (1) Tank-to-bowl gasket, (1) Set of hardware, and (1) Instructions Committed to Quality Made in USA Longest Lasting Products Quick &amp; Easy to Install Bacteria, chloramines, chlorine, city water treatment, hard water, well water and rust