Service unit combination MSB4-1/4-FRC5:J1M1 Filter-regulator-lubricator combination, 12 bar maximum output pressure, 40 m 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