Service Unit Combination MSB4-1/4-Frc5:J1M1 Filter-Regulator-Lubricator Combination, 12 bar Maximum Output Pressure, 40 µm Filter, with Pressure Gauge, Lockable Regulator Head, Plastic Bowl with Plastic Bowl Guard, Manual Condensate Drain, Direction of Flow: From Left to Right. Size=4, Series=MS, Actuator Lock=Rotary Knob with Integrated Lock, Assembly Position=Vertical +/- 5°, Condensate Drain=Manual Rotary, Festo