Measure low pressure with ease using the Zenport Industries Low Pressure Gauge. This liquid-filled gauge has a 2.5 case diameter 1/4 NPT bottom connection ABS case 372 plastic window and brass internals and connection. It measures 0-300 PSI with grade A accuracy (1.6%).Specifications 2.5 case diameter 1/4 NPT Bottom connection ABS case 372 plastic window Brass internals and connection 0-300 PSI Grade A accuracy (1.6%)Features Liquid-filled for easy measurement Durable construction Accurate readings - SKU: ZNPT086