Service unit combination MSB4-1/4:C3J3-WP Consisting of manual on-off valve, filter regulator and wall mounting plate. 12 bar maximum output pressure, 5 æm 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 lock, * with accessories, lockable), Assembly position=Vertical +/- 5ø, Grade of filtration=5 æm