K4571 Panel-Mount Pressure Gauge Nominal Dial Size 3 1/2 in Accuracy +/-1.0 Percent Gauge Case Material Zytel Nylon Process Connection Type NPT Process Connection Gender Male Lens Material Acrylic Process Connection Size 1/4 in Field Fillable No For Panel Cut-Out Size 3.78 in Process Connection Location Center Back Case Color Black IP/NEMA Rating Not Rated Primary Pressure Range 0 to 600 Dry Dampening Feature None Vibration Resistance Liquid-Filled Dial Color White