MODULAIR 112 FILTERS-REGULATORS SERIES 342 FILTER-REGULATOR 5 MICRON POLYCARBONATE BOWL WITH PROTECTION AUTOMATIC DRAIN PRESSURE 0-10 BAR WITH PRESSURE GAUGE D=50 0-12 BAR NPT 1/4 + Option662554 ( OPTION AND SPARE PART FOR MODULAIR 112 FILTRE-REGULATOR+LUBRICATOR KEY LOCKING DEVICE OF THE ADJUSTEMENT BUTTON DELIVERED ASSEMBLED WITH REGULATOR AND FILTER-REGULATOR )