PNEUMATIC FILTER+REGULATOR COMBINATION UNITS PROVIDE ADJUSTABLE AIR FLOW REGULATION FROM 7-123 PSI AND 40 MICRON FILTER WITH MANUAL DRAIN, POLYCARBONATE BOWL WITH PROTECION, AVAILABLE IN 1/8" TO 1" FNPT SIZES, MOUNTING AND 1-1/2" 0-150 PSI/BAR PRESSURE GAUGE INCLUDED.