... oil flow meterJG-473B Flow meter is improved from JG-473A meter, inlet on top and outlet on bottom with advantage ... 2, 3 or 4 oil products configuration. Option Vapor recovery system, low temperature solution, printing customer’s logo, international solenoid valve, breakaway valve ... . FeatureCE, UCS, CNEX, ISO9001.1. Small size, light and easy carrying.2. Big flow and strong sucking.3. Vehicle battery ...