3-Color Differential Pressure Indicator Basic Gauge Case Material Metal Basic Gauge Wetted Parts Buna-N Differential Gauge Connection Type FNPT Differential Gauge Connection Size 1/4 in Gauge Connection Location Inline Differential Pressure Range Units psi Differential Pressure Range Value 0 to 25 Gauge Accuracy +/-5.00 Percent Body Material Glass Filled Nylon Diaphragm Material Buna-N Piston Material Magnetic Seal Material Buna-N