UTP Metal 1/4" NPT 2.3" Face 6 Bar Water Oil Air Compressor Pressure Hydraulic Gauge Manometer Pressure Measuring Instruments Go to amazon.com Related posts Top 9 best manometer 1/4 2022 DescriptionPressureRange:0-0.16Mpa DialDiameter:2-3.9Inches MaxMeasuringRange:100-149PSI DisplayType:Analog