U.S. Gauge Low Lead Series P-500 gauges adhere to the “Reduction of Lead in Drinking Water Act” enacted by the U.S. Congress January 2011. U.S. Gauge Low Lead Series P-500 utility gauges provide economical, reliable service in a wide variety of applications including potable water pumps, compressors, and other equipment. Gauges are available in 1-½” and 2″ steel cases in center-back and lower mount configurations. Other sizes, ranges, and mounting configurations are available for OEM quantities.