Service Unit Combination MSB4-1/4:C3:J1:D14-Wp Maximum Output Pressure 10 bar, 40 µ Filter, with Pressure Gauge, Lockable Regulator Head, Plastic Bowl with Plastic Bowl Guard, Manual Condensate Drain, Flow Direction From Left to Right. Size=4, Series=MS, Actuator Lock=(* Rotary Knob with Lock, * with Accessories, Lockable), Assembly Position=Vertical +/- 5°, Grade of Filtration=40 µm, Festo