Filter-Regulator, Filter Bowl Material Polycarbonate with Guard, Air Inlet Size 1/4 in, Air Inlet Type NPT, Maximum Flow Rate 80 cfm, Filter Rating 40 micron, Filter Type Particulate, Maximum Operating Pressure 150 psi, Drain Type Manual, Pressure Gauge Included Yes, Body Material Aluminum, Overall Width 2 11/16 in, Series Intermediate Duty, Adjustment Location Top, Adjustment Mechanism Knob, Adjustment Mechanism Material Reinforced Nylon, Air Flow Direction Left to Right