The Champion 4 elongated toilet from American Standard features the Champion flushing system, for an unbeatable powerful flush. This high efficiency toilet uses a water-saving rate of 1.28 gpf uses 20% less water than a standard 1.6 gpf toilet. This right height toilet is 16-1/2 in tall for a toilet that is more comfortable for its users. The Champion 4 also comes standard with the revolutionary EverClean surface which inhibits the growth of stain and odor-causing bacteria, mold and mildew on the surface.EverClean surface inhibits the growth of stain and odor-causing bacteria, mold and mildew on the surfacePowerWash rim bowl washTelescoping Lid1.28 gpf flow rate helps to save waterLargest 2-3/8 in trapway prevents cloggingLargest 4 in accelerator valve gives the Champion 4 its powerful flush