Filter-Regulator Filter Bowl Material Plastic Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 50 cfm Filter Rating 5 micron Maximum Operating Pressure 150 psi Drain Type Automatic Pressure Gauge Included Yes Body Material Plastic Overall Width 10 in Air Outlet Size 1/2 in Air Outlet Type NPT Drain Included Yes Filter Bowl Capacity 17 oz Filter Bowl Guard Included Yes