Industrial Pressure Gauge, Nominal Dial Size 2 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, Process Connection Location Bottom, Case Color Black, IP/NEMA Rating IP65, NEMA 4X, Primary Pressure Range 0 to 21, Dry Dampening Feature None, Vibration Resistance Liquid-Filled, Dial Color White, Pressure Gauge Type Industrial Pressure Gauge