Afwall FloWise ADA bowl replaces standard wall hung 3.5 gallons-per-flush or 1.6 gallons-per-flush models and roughs-in at 16-1/8-Inch (410mm) rim height to meet ADA with no need to modify the existing carrier or through wall supply. Providing centerline of current outlet is 5-1/4-Inch (133mm) above finished floor. This toilet scored a 1,000 grams of miso at 1.6 gallons-per-flush or 1.28 gallons-per-flush when used with an American Standard flush valve. This American Standard toilet is recommended to work with between 25 psi at valve when flushing and 80 psi static. It has a powerful direct-fed siphon jet action and a fully-glazed 2-1/8-Inch trapway. It comes 100-Percent factory flush tested and features a 10 by 12-Inch water surface. This toilet is made of vitreous china.