Korky 428BP Flush Valve Seal For American Standard Champion Toilet Repairs, Replaces Part 738651-0070A - Made in USA FITS AMERICAN STANDARD CHAMPION TOILETS - Replaces American Standard part 738651-00700A QUICKLY FIX running and leaking toilets and eliminate costly water waste MADE IN USA - Proudly made in America and backed by a 5 year warranty EXCLUSIVE LONGEST LASTING red rubber resists chlorine, bacteria, city water treatment, hard water, and well water MADE OF FLEXIBLE RUBBER for a tight seal on American Standard flush valves EASY TO INSTALL, the 428BP includes: (1) Flush Valve Seal 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