Zurn Industries ZTR6203-EWS-LL Automatic Sensor Piston Flush Valve for Water Closets - 0.5 gpf, Chrome
The Automatic Toilet Flusher by Zurn Industries: EcoVantage ZTR Exposed Sensor Piston Flush Valve with 0.5 gpf and Long Life Battery in Chrome ( Zurn Industries - ZTR6203-EWS-LL )