Selectronic PWRX Flush Valve for 3/4" Top Spud Urinals 0.125 GPFSelectronic electronic flush valves are engineered to meet the demands of high use spaces with a design that offers water saving operation, easy installation, and lost cost maintenance. Designed for use with 3 4" top spud urinals, this high efficiency 0. 125 gpf Selectronic flush valve can save up to 87% on water usage. Powered by the included factory installed PWRX 10 year battery system which features an advanced battery and electronics to reduce