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 Polycarbonate, Process Connection Size 1/4 in, Field Fillable Yes, Process Connection Location Bottom, Case Color Black, IP/NEMA Rating IP65, Primary Pressure Range 0 to 160, Dry Dampening Feature None, Vibration Resistance Field-Fillable, Dial Color Reflective Fluorescent Yellow-Green