Process Pressure Gauge, Nominal Dial Size 4 1/2 in, Accuracy +/-0.5 Percent, Gauge Case Material Phenolic, 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 300, Dry Dampening Feature PLUS! Performance, Vibration Resistance Dry Case Vibration-Dampened, Dial Color White