The 1G 1-gpf high-efficiency toilet marries flawless performance with exceptional water savings. The gravity-fed, two-piece unit, which is awaiting WaterSense certification, uses the power of water and gravity to create a powerful flush that maximizes cleaning, the company says. It features two nozzles instead of rim holes that use water more efficiently for better rim and bowl cleansing. 888.295.8134. www.totousa.com.