The floor-mount flushometer bowl features a revolutionary flushing engine and refined aesthetic design. Measuring 15-1/4-in to the top of the rim, the product is perfect for smaller restrooms and stalls. Listed from 1.28 to 1.6 GPF, this flushometer bowl has been proven with all manner of valves (diaphragm, piston, manual, and electronic) from a variety of manufacturers.