K4538 Panel-Mount Pressure Gauge Nominal Dial Size 6 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 Yes Process Connection Location Bottom Case Color Stainless Steel IP/NEMA Rating IP66 NEMA 4X Primary Pressure Range 0 to 400 Dry Dampening Feature None Vibration Resistance Field-Fillable Dial Color White