Filter/Regulator/Lubricator Air Inlet Size 3/8 in Air Inlet Type NPT Maximum Flow Rate 51 cfm Maximum Operating Pressure 250 psi Filter Rating 5 micron Filter Bowl Material Metal Filter Bowl Capacity 2.2 oz Lubricator Bowl Capacity 2.2 oz Drain Type Manual Overall Width 4 1/4 in Air Outlet Size 3/8 in Air Outlet Type NPT Drain Included Yes