Ametek US Gauge P734 Low Pressure Gauge: 2.5" Dial, 1/4" NPT Bottom Stem Mount, 0 to 5 PSI Measuring Range, ±3-2-3% Accuracy. Black Corrosion-Resistant Painted Steel Case with White Steel Dial, Copper Alloy Diaphragm Capsule, Brass Movement and Process Connection, Threaded Acrylic Window, Black Painted Aluminum Pointer