MODULAIR 112 FILTERS-REGULATORS SERIES 342 FILTER-REGULATOR 25 MICRON POLYCARBONATE BOWL WITH PROTECTION AUTOMATIC DRAIN PRESSURE 0-10 BAR WITH PRESSURE GAUGE D=50 0-12 BAR G 1/4 Option612062 ( MODULAIR 112 FILTER SERIES 342 ATEX NO ELECTRIC OPTION ZONE 1-21 ATEX.APPROVAL II 2 G/D C IIC T85D=C )