Industrial Pressure Gauge Nominal Dial Size 4 in Accuracy +/-1.0 Percent Gauge Case Material 304 Stainless Steel Process Connection Type NPT Process Connection Gender Male Lens Material Polycarbonate Process Connection Size 1/4 in Field Fillable No Process Connection Location Bottom Case Color Gray IP/NEMA Rating IP66 NEMA 4X Primary Pressure Range 0 to 15 Dry Dampening Feature None Vibration Resistance Liquid-Filled Dial Color Reflective White