Filter regulator LFR-3/4-D-5M-DI-MAXI-A With metal bowl guard and pressure gauge, degree of filtration 5 ?m. With automatic condensate drain. With directly-controlled pressure regulator. Size=Maxi, Series=D, Actuator lock=Rotary knob with lock, Assembly position=Vertical +/- 5?, Grade of filtration=5 ?m