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 G.3/8 Option612023 ( MODULAIR 112 FILTER SERIES 342 ATEX NO ELECTRIC OPTION ZONE 1-21 ATEX APPROVAL II 2 G/D C IIB T85D=C )