The Champion 4 toilet from American Standard was designed with a right height of 16-1/2” tall, and an elongated bowl for added comfort. This 1.6gpf (gallons per flush) toilet delivers a strong, powerful flush with the American Standard Champion flushing system. With a larger trapway and flush valve, the Champion 4 is able to move a 70% larger mass than a standard toilet, to virtually eliminate clogs. The Champion 4 also comes with the ingenious EverClean surface which inhibits the growth of stain and odor-causing bacteria, mold, and mildew on the surface.FeaturesCombination bowl and tankSeat sold separatelyVitreous chinaEverClean® SurfaceElongated siphon action bowlSpeed Connect® tank/bowl coupling system10 year warrantyPerformance100% factory flush testedSpecs12" (305mm) rough-in4" piston action Accelerator™ flush valve creates a powerful flush2-3/8" fully-glazed trapway helps to eliminate clogs16-1/2" rim height for accessibility and comfort