... -150mm 3.CE Rohs Stainless Steel Pressure Gauge Manometer: Pressure Gauge/Manometer SpecificationTemperature Gauge/Thermometer SpecificationSizes of Case:2"/50mm, 2.5"/63mm,3"/75mm, 4"/100mm ... :1/8",1/4",3/8",1/2",BSP,NPT,G1/2…,M20*1.5,M8*1…1/8",1/4",3/8",1/2",BSP,NPT,G1/2…,M20*1.5,M8*1 ...