Here at Coast Products USA, we pride ourselves on providing our customers with the highest quality toilet repair and plumbing parts in the industry. Our Flush Valves, Fill Valves, Flappers, and other plumbing parts are manufactured with the highest quality materials, engineered for efficiency, and maintain the highest level of durability for years of consistent performance. We are experts in the plumbing supply and toilet repair parts industry and believe that innovation and sustainability are the cornerstones for quality parts. We guarantee our quality, because our manufacturing facilities are monitored daily right here in the U.S.A.