KohlerSeal For Canister Flush Valves - 2475620</br>This is highly durable</br>This is manufactured in united states</br>After four generations?? Kohler remains a family-owned company</br>They're still leading the industry in innovation and design</br>And they're bolder than ever</br></br>Product Description</br></br>Proprietary formulated seal that fights conditions that cause leaks This replaces the red seal.</br><br/>http://www.amazon.com/gp/product/B002JE882C