Zurn’s low-flow EcoVantage 1.1-gpf ZTR Sensor Wall Bowl System requires 31% less water per flush. The low-flow performance also is 20% better than the LEED baseline water savings for commercial buildings. The system includes the wall bowl and the 1.1-gpf  top-mount sensor flush valve or the 1.1-gpf top-mount sensor flush valve with long-life battery.