Filter-Regulator Filter Bowl Material Plastic Air Inlet Size 1/4 in Air Inlet Type NPT Maximum Flow Rate 16 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 9/16 in Series BB3 Adjustment Mechanism Knob Adjustment Mechanism Material Acetal Air Outlet Size 1/4 in Air Outlet Type NPT Drain Included Yes Drain Part Compatibility GRP-96-808