MODULAIR 112 SERIES 342 FILTER-REGULATOR+LUBRICATOR POLYCARBONATE BOWLS WITH PROTECTION SEMI AUTO DRAIN PRESSURE 0-10 BAR WITH PRESSURE GAUGE D=50 0-12 BAR G 1/2 + OPTION 662554 ( OPTION AND SPARE PART FOR MODULAIR 112 FILTRE-REGULATOR+LUBRICATOR KEY LOCKING DEVICE OF THE ADJUSTEMENT BUTTON DELIVERED ASSEMBLED WITH REGULATOR AND FILTER-REGULATOR ) + OPTION 612024 ( MODULAIR 112 FILTERS-REGULATORS-LUBRICATORS SERIES 342 ATEX NO ELECTRIC OPTION ZONE 1-21 ATEX APPROVAL II 2 G/D C IIB T85D=C )