K4222 Process Pressure Gauge Nominal Dial Size 4 1/2 in Accuracy +/-0.5 Percent Gauge Case Material Polybutylene Terephthalate Process Connection Type NPT Process Connection Gender Male Lens Material Glass Process Connection Size 1/2 in Field Fillable No Process Connection Location Bottom Case Color Black IP/NEMA Rating Not Rated Primary Pressure Range 0 to 160 Dry Dampening Feature None Vibration Resistance None Dial Color White Pressure Gauge Type Process Pressure Gauge