Smith AR CO2 Flow Meter and 4 000 PSI Pressure Gauge CGA 580 12896

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  For sale is a Smith AR/CO2 Flow-Meter.  Unit reads to 80 SCFH at 80
  PSIG for either Argon or CO2 gas.  Comes with attached Smith
  No.1950D-580, 4,000 PSI reading gauge (3,000 PSI max. inlet
  pressure), and CGA 580 threaded connection.