Differential Pressure Gauge Gauge Nominal Dial Size 4-1/2 In. Basic Gauge Case Material Plastic Basic Gauge Wetted Parts Neoprene Differential Gauge Connection Type FNPT Differential Gauge Connection Size 1/4 In. Gauge Connection Location Back Differential Pressure Range Units in H2O Differential Pressure Range Value 0 to 10 Gauge Accuracy +/-3-2-3 Percent Body Material Glass Reinforced Plastic Gauge Primary Range Smallest Graduation 0.2 Diaphragm Material Neoprene