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 -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 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -