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The Professional's Choice
Designed and manufactured in the United States, Korky is an innovator of the most universal products for easy stocking in your truck or supply room. We cover 99% of all toilet problems with a wide variety of universal solutions. Fits: TOTO, Kohler, American Standard, Gerber, & all others. Since inventing the first flapper in 1954, Korky has been the #1 preferred brand by plumbing professionals. All of our products are engineered for strength, durability and longevity to last longer than the original tank trim.
Just look for the Korky red rubber to ensure you are using the longest lasting, chemical-resistant products on the market. A guaranteed tighter seal for leak-free toilet and fewer call backs.