Filter/Regulator/Lubricator Air Inlet Size 1 in Air Inlet Type NPT Maximum Flow Rate 300 cfm Maximum Operating Pressure 300 psi Filter Rating 5 micron Filter Bowl Material Zinc Filter Bowl Capacity 16 oz Lubricator Bowl Capacity 16 oz Drain Type Automatic Overall Width 15 3/4 in Series C628 Adjustment Mechanism Nonrising Air Outlet Size 1 in Air Outlet Type NPT Body Material Zinc Drain Included Yes Filter Type Particulate