Toto TEU3UN11#SS EcoPower High Efficiency Urinal 1/8-GPF Flushometer Valve, Stainless Steel EcoPower hydropower self-generating system Electronic flushometer valve complete with 3/4-Inch angle stop and 3/4-Inch vacuum breaker set 1/8-GPF or less, Back spud - concealed 4-Inch x 4-Inch Cover plate 12 hour automatic flush for trap seal protection ADA compliant, CalGreen compliant