Upgrade your bathroom with the Kohler Flush Valve Seal, designed specifically for the Class 5 Series toilets. This replacement seal, with its 3-1/2 inch size and round shape, ensures a snug fit and optimal performance for your single flush toilet. The yellow rubber material is crafted to meet Kohler's high standards, promising durability and a concealed trapway for a cleaner look.

The seal is compatible with various Kohler models, including those with pressure-assisted flushing technology. Made in the United States, this item's dimensions, such as the 4-inch interior width and 0.125-inch height, are designed to seamlessly integrate with your existing plumbing fixtures, maintaining contemporary style while ensuring functionality.