Pressure Gauge, Accuracy 3-2-3 Percent, Process Connection Type NPT, Process Connection Gender Male, Lens Material Plastic, Process Connection Size 1/8 in, Field Fillable Yes, Process Connection Location Center Back, Case Color Matallic, Dial Color White, Pressure Gauge Type Industrial Pressure Gauge, Liquid-Filled Case Yes, Socket Material 325 Stainless Steel, Sensor Material 316L Stainless Steel, Accuracy Grade ASME B40.100 Grade A, Series 300, Primary Scale Units psi