K4218 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 200 Dry Dampening Feature PLUS! Performance Vibration Resistance Dry Case Vibration-Dampened Dial Color White