Don't waste money! Nothing will ruin your day like having one of your hands accidentally break a $300 regulator flow meter that you have to have if you are going to be welding today. A regulated flow meter is a single-stage regulator that takes cylinder pressure down to 50 psi, followed by a flow meter that regulates the flow in cubic feet per hour. The Profax Economy Regulator Flow Meter will flow gas up to 60 cubic feet an hour, more than most welding applications require.
 
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