High pressure 0.5 GPM flow rate * Flow control construction of long lasting Celcon plastic * Innovative dual-thread system to accommodate both male and female applications * Saves 77% more water and energy then a standard 2.2 GPM aerator - that's 18,615 gallons of water annually * Housing constructed of solid brass with highly polished chrome finish * Includes housing, flow control, tamperproof screen, and all other parts necessary for proper installation and operation * Internally and externally threaded with 15/16 x 27 threads outside and 55/64 x 27 threads inside * Does not contain any unplated brass components * Provides an even spray pattern * 10 year guarantee * Meets or exceeds ASME standards * California Energy Commission Certified Member of the Water-Smart family of products