code/modules/atmospherics/machinery/components/trinary_devices/filter.dm 
| FILTER_NOTHING | Nothing will be filtered. |
|---|---|
| FILTER_TOXINS | Plasma, and Oxygen Agent B. |
| FILTER_OXYGEN | Oxygen only. |
| FILTER_NITROGEN | Nitrogen only. |
| FILTER_CO2 | Carbon dioxide only. |
| FILTER_N2O | Nitrous oxide only. |
Define Details
FILTER_CO2
Carbon dioxide only.
FILTER_N2O
Nitrous oxide only.
FILTER_NITROGEN
Nitrogen only.
FILTER_NOTHING
Nothing will be filtered.
FILTER_OXYGEN
Oxygen only.
FILTER_TOXINS
Plasma, and Oxygen Agent B.