Original standard filter set for OXYGEN C series O1 heat recovery units. Suitable for use in any season.
M5 filter – for everyday protection of your home
M5 (EN 779:2012) / ePM10 55% (ISO 16890) for filtering supply air entering the premises.
Effectively protects your home from various particles no smaller than 0.3 µm. Reduces dust accumulation on furniture, floors, and in the air, making it easier to keep your home clean.
+
M5 filter – for heat recovery unit protection
M5 (EN 779:2012) / ePM10 55% (ISO 16890) for filtering extract air removed from the premises.
Effectively protects the heat recovery unit from damage.
We recommend replacing the set at least every 6 months.
Suitable for OXYGEN Easy and X-Air C series O1 heat recovery unit models:
C150, C150E, C180, C180E, C200, C200E, C250, C250E
ATTENTION! By using non-original filters, you risk damaging the heat recovery unit and contaminating the entire ventilation system and ducts.
Detailed information
The ventilation unit is equipped with supply and extract air filters.
The supply air filter ensures the quality of the supplied air and protects the ventilation unit from outdoor dust and insects entering it (M5, Carbon G4, F7 filtration classes).
The extract air filter protects the ventilation unit from indoor dust and insects entering it (M5 filtration class).
Filter replacement procedure:
- Use the controller to switch off the ventilation unit and make sure that the fans have completely stopped.
- Open the filter compartment of the ventilation filter you plan to replace by opening the cover marked with the “OXYGEN” symbol.
- Pull out the dirty ventilation unit filter by the handle.
- Insert the new ventilation unit filter in the airflow direction indicated on the filter.
- Close the filter compartment by closing the cover and make sure it fits tightly against the ventilation unit casing.
- Switch on the ventilation unit.
-
Reset the filter age counter to its initial state. See section 6.7.7 “Ventilation Unit Filter Operation Menu” of the Installation and Operation Manual if the ventilation unit is controlled via the app; section 6.8.3 “Settings Menu” if the ventilation unit is controlled with an LCD screen controller; or section 6.9.5 “Resetting the Filter Operation Timer” if the ventilation unit is controlled with a knob controller
Choose the filtration suitable for the season:
| Season | Filtration class EN 779:2012 | Filtration class ISO 16890 |
| Spring, summer, autumn, winter | M5 | ePM10 50% |
| Spring, summer | F7 | ePM1 70% |
| Winter | Carbon G4 | ePM2.5 60% |
It is recommended to replace the ventilation unit filters no less often than:
| Filtration class EN 779:2012 | Filtration class ISO 16890 | Recommended replacement frequency |
| M5 | ePM10 50% | every 6 months |
| Carbon G4 | ePM2.5 60% | every 6 months |
| F7 | ePM1 70% | every 4 months |