This Aquia III Elongated Bowl features an elongated rim, skirted design, and universal height. It is designed to work with the Toto ST464M Dual Flush tank that features a performance option to allow appropriate water usage. With unrivaled vision and innovation expertise, TOTO leads and never follows in designing, engineering, refining and delivering innovative technology that enhances your daily life. TOTO's innovations translate into the best performance and ecology in the plumbing world. TOTO leaves nothing to chance when it comes to design. TOTO embraces holistic design principles because performance, quality, functionality and ultimately, customer satisfaction, are just as important as aesthetics. Backed by precision engineering and global manufacturing, great designs address functionality and performance as well as beauty. Attention to detail, continuous improvement, over a thousand research and development professionals and 90+ years of experience fuel TOTO's product quality. TOTO provides unmatched performance, durability and reliability, representing the ultimate in customer satisfaction for our toilets, faucets, lavatories, showers and products for the entire bathroom. Superior quality backed by over 90 years of experience creates many benefits. TOTO installations offer peace of mind and performance you can count on. Reliability translates into reduced maintenance costs and superior performance.