The Champion PRO toilet from American Standard features professional grade performance combined with elegant designer style, for a toilet that looks great and works even better. This low consumption toilet flushes at a rate of 1.6 gallons per flush and the large 2-3/8” trapway helps to eliminate clogging, and the Champion PRO can move a 70% larger mass than the industry standard. With a PowerWash rim to provide superior bowl cleaning, and innovative EverClean surface to help inhibit the growth of mold, mildew, and bacteria, the Champion PRO is a toilet that stays cleaner, longer.