The Cadet Standard-Height Elongated Toilet from American Standard is plumber tested and plumber approved. The Cadet is backed by an industry-leading warranty that includes limited lifetime on chinaware, limited 5 years on mechanical parts. Engineered for high-efficiency, low consumption, it uses 1.28 gallons per flush, 20% less water than a regular toilet, and is WaterSense® certified, your assurance of optimal water savings, quality and performance. The EverClean® surface inhibits the growth of stain and odor-causing bacteria, mold and mildew.