The Summit EL ADA 10-inch toilet from Mansfield Plumbing has an elongated 16 1/2-inch-tall bowl that can be used with existing Summit 1.6 ppf tanks. It features a three-bolt installation system for a sturdy, level connection between the tank and bowl. A 3-inch flush valve offers power flushing and fewer clogs. The toilet has a MaP rating of 1,000 grams and complies with BAA and ARRA. 877/850-3060; www.mansfieldplumbing.com.