Vitreous china, 1.1 gpf [4.16 Lpf] or greater, high efficiency, floor mounted back outlet toilet with siphon jet flushing action, ZurnSHIELD™ ceramic glaze, elongated front rim, ADA compliant rim height, 1-1/2” [39mm] top spud inlet connection and 4-1/8” [105mm] back outlet rough-in height. This bowl is designed to perform to industry standards with as little as 1.1 gallons per flush, engineered to provide optimal performance.