Service unit combination LFR-1/2-D-MIDI-KD-A consisting of filter regulator, on/off valve with solenoid coil 24 V DC, without socket,, and pressure build-up valve, with mounting brackets. With automatic condensate drain. Size=Midi, Series=D, Actuator lock=Rotary knob with lock, Assembly position=Vertical +/- 5?, Grade of filtration=40 ?m