Digital Differential Pressure Gauge, Gauge Nominal Dial Size 5 in, Basic Gauge Case Material Plastic, Basic Gauge Wetted Parts Plastic, Differential Gauge Connection Type Smooth Barb, Differential Gauge Connection Size 1/8 in, Gauge Connection Location Back, Differential Pressure Range Units in wc/in wc, Differential Pressure Range Value -0.25 to 0 to 0.25, Digital Gauge Accuracy +/-2.00 Percent of Reading, Display LCD, Number of Display Digits 4, Socket Material Glass Filled Plastic