Caroma. With a nominal flow rate of 1.5 gpm at 80 psi, the Caroma Flow high-efficiency showerhead saves up to 10 gallons of water for a 10-minute shower versus a standard unit. A precision-engineered nozzle pressurizes water for a uniform, soft-but-powerful spray, the firm says. A slide spray adjustment provides wide to concentrated coverage. WaterSense certification is pending. 800.605. 4218. www.caromausa.com.