Designed and manufactured by American Standard, the American Standard 4338001.020 Cadet 3 Triangle 1.6 GPF Toilet Tank Only in White is constructed of a clean, vitreous china. Its features include an Ever Clean surface that is stain and bacteria resistant, reducing odor and mold and mildew growth on its surface. The flat tank design on the cover offers excellent storage. Created with the consumer in mind, this toilet tank is designed to provide an elevated performance that negates clogs usually common in most standard toilet tanks. It also comes in a variety of styles, one or two piece models, bowl size and shape and even offers a model that is specifically designed for homes looking to be more environmentally friendly and water efficient. Regardless of model choice, this American Standard toilet tank flushes 1.6 gallons per flush. Coming from American Standard, this tank is a great price and an of an even better design.