K4682 Industrial Compound Gauge Nominal Dial Size 4 1/2 in Accuracy +/-1.0 Percent Gauge Case Material 304 Stainless Steel Process Connection Type NPT Process Connection Gender Male Lens Material Acrylic Process Connection Size 1/4 in Field Fillable No Process Connection Location Bottom Case Color Metallic IP/NEMA Rating IP52 Primary Pressure Range 30 to 0 to 30 Dry Dampening Feature None Vibration Resistance None Dial Color White Pressure Gauge Type HVAC Dial Pressure Gauge