Enjoy the unique features of this American Standard classic-design toilet. The EverClean(R) vitreous china surface prevents bacteria and mold growth which can cause stains and unpleasant odours. WaterSense certified, it only uses 4.8 litres (1.28 gallons) per flush and includes the Champion(R) 4 high-performance flush system. The tank has a liner for better drainage. In addition, the toilet is equipped with the telescoping EverClean slow-close seat and a chrome-plated trip lever. Backed by a 10-year limited warranty.