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Item # 25-200-100-inH2O, 2-1/2" Black Steel Case, Copper Alloy Internals, 100 inH2O, 1/4" National Pipe Thread (NPT) Male Bottom Connection Pressure Gauge Item # 25-200-100-inH2O-vac, 2-1/2" Black Steel Case, Copper Alloy Internals, 100 inH2O vac, 1/4" National Pipe Thread (NPT) Male Bottom Connection Vacuum Gauge Item # 25-200-100-inH2O-vac-BT3, 2-1/2" Black Steel Case, Copper Alloy Internals, 100 inH2O vac, 1/4" National Pipe Thread (NPT) Male Bottom Connection Vacuum Gauge with 0.3 mm Brass Threaded Orifice Item # 25-200-100-mbar, 2-1/2" Black Steel Case, Copper Alloy Internals, 100 mbar, 1/4" National Pipe Thread (NPT) Male Bottom Connection Pressure Gauge Item # 25-200-100-oz/in2, 2-1/2" Black Steel Case, Copper Alloy Internals, 100 oz/in², 1/4" National Pipe Thread (NPT) Male Bottom Connection Pressure Gauge
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