Filter regulator MS4-LFR-1/4-D7-EUM-AS 12 bar maximum output pressure, 40 µm Filter, with pressure gauge, lockable regulator head, metal bowl, manual Condensate drain, direction of flow: 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