American Standard Exposed Flush Valve, Top Spud, DC, 1.28 GPF, 115 In, Flush Valve 6065121.002 nominal Size 40" X 30" x 1.25" Capacity (Volume): 15 oz Capacity (Volume): 15 oz BR : Finish Type Brushed Brass no filters to clean Selectronic® Proximity System with programmable sensor allows for easy adjustment and customization State of the Art Electronics prevent ghost flushing Fully Mechanical Manual Override Button can flush the valve without power Fail Safe: Valve automatically closes upon loss of power or water pressure and does not need to be reset Adjustable Sanitary Flush cleans the fixture & maintains the trap seal Integral wiper spring cleans refill orifice with every flush to help prevent valve run on