This American Standard toilet from the Champion collection has an ideal height of 16.5 inches and an elongated front for increased comfort. Its Champion flushing system features a 4-inch non-adjustable piston action accelerator flush valve that gives it great flushing power and doesn't use too much water. This toilet also features the EverClean surface, which inhibits the growth of stain- and odour-causing bacteria, mould, and mildew. This high-efficiency toilet comes with a lined tank and is super easy to install. Backed by a 10-year limited warranty.