Normal Air Pressure Gauge 1.CE ISO:9001:2008 2 ... .OEM is welcome. Normal Air Pressure GaugeCommon Pressure Gauges used in Air Compressors,Hollow Pumps,Air-Pressure Piping,Pressure Regulating Values ... ,000psi (customer-made pressure range)4. Connection: Bottom (Vertical), Center Back (Horizontal), Lower Back,5. Connection Size: 1/8",1 ... 5%,1.6%, 1% 8. Window: glass, polycarbonate Normal Air Pressure Gauge