PlumbTech and BathDecor toilet seats are designed, engineered, and manufactured to meet all ANSI Standards toilet measurements for the North American market. PlumbTech and BathDecor toilet seats will fit all ANSI Standard toilets engineered, designed and manufactured for the North American market including toilets manufactured by American Standard®, Briggs®, Crane®, Caroma®, Gerber®, Kohler®, ProFlow®, Mansfield®, Universal Rundle®, Glacier Bay®, Aqua Source®, TOTO®, Vortens®, St. Thomas Creations®, Peerless Pottery®, Cato®, and most store brands sold for the North American market.