The Renaissance WaterWarden toilet from American Standard has an overflow protection feature to prevent spills due to a messy toilet bowl clog by draining excess water through the overflow holes located inside the bowl. This simple but revolutionary solution helps to avoid the mess associated with a clogged toilet, saving you the trouble of having to clean up the floor from this issue. With a water usage rate of 1.28 gallons per flush, the Renaissance toilet helps to save water, using 20% less than a standard 1.6gpf toilet. A taller Right Height of 16-1/2 inches provides extra comfort.