Filter-Regulator Filter Bowl Material Polycarbonate Air Inlet Size 1/4 in Air Inlet Type NPT Maximum Flow Rate 12 cfm Filter Rating 5 micron Filter Type Particulate Maximum Operating Pressure 150 psi Drain Type Manual Pressure Gauge Included No Body Material Brass Overall Width 1 1/2 in Series Miniature Adjustment Location Top Adjustment Mechanism Knob Adjustment Mechanism Material Reinforced Nylon Air Flow Direction Left to Right Air Inlet Gender Female