General Pressure Gauge 5J2 1)Dial: 1.5", 2", 2.5", 3", 3.5", 4", 6" 2)Connection size: 1/8" 1/4" 1/2" 3)CE Certificate General Pressure Gauge 5J2 are high quality dry gauges design to provide reliableservice on applications not corrosive to the typical applications include pumps,compressors, pool filters as well as commercial and industrial equipments.CASE SIZES:1.5", 2", 2.5", 3.5", 4", 4.5", ...