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 1/2 + Option612021 ( MODULAIR 112 FILTER SERIES 342 ATEX NO ELECTRIC OPTION ZONE 2-22 ATEX APPROVAL II 3 G/D C T85D=C )