Filter-Regulator, Filter Bowl Material Zinc, Air Inlet Size 1/2 in, Air Inlet Type NPT, Maximum Flow Rate 90 cfm, Filter Rating 5 micron, Filter Type Particulate, Maximum Operating Pressure 250 psi, Drain Type Manual, Pressure Gauge Included Yes, Body Material Zinc, Overall Width 3 1/4 in, Series 07E, Adjustment Mechanism Knob, Adjustment Mechanism Material Plastic, Air Outlet Size 1/2 in, Air Outlet Type NPT, Differential Pressure Indicator Included Yes, Drain Included Yes