Vallox 90 SE/SC/MC Filters
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OriginalExtract filter size: 320x220x20 mmSupply filter size: 320x250x20 mmSupply filter size 2: 245x215x48 mmFilter class (EN779): G4+G4+F7Filter quantity in a set: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicGeneral dust and particle filtration
Pollen and moldCaptures pollen, mold spores, and other allergens
Smog and bacteriaProtects against allergens and urban pollution
House brandExtract filter size: 320x220x20 mmSupply filter size: 320x250x20 mmSupply filter size 2: 245x215x48 mmFilter class (EN779): G4+G4+F7Filter quantity in a set: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicGeneral dust and particle filtration
Pollen and moldCaptures pollen, mold spores, and other allergens
Smog and bacteriaProtects against allergens and urban pollution
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We’ve gathered answers to the most common questions about our products and services. If you can’t find an answer here, please contact us directly.
Is an activated carbon filter available for Vallox units in city apartments dealing with traffic odour?
Yes, a carbon-layer supply filter is available for many Vallox models as an addition to the standard M5/F7 filtration, helping absorb traffic fumes and urban odours before they reach the living space. It's a popular upgrade for apartments near busy roads, though it typically needs replacing on a similar schedule to your standard filter.
Do all ValloPlus models use the same filter size, or does it change with airflow rating?
Filter dimensions vary across the ValloPlus range according to the unit's airflow rating, so higher-capacity models generally take a larger filter than compact residential variants. Matching by your model name and airflow variant, both printed on the front panel, ensures the correct fit.
My Vallox control panel shows a filter alert — what triggers it?
Vallox's digital controllers estimate saturation from one or two signals:
- Running hours
- On some models, pressure across the filter
It's a useful prompt, but a quick visual and airflow check is still worth doing, particularly in the first year of a new installation.
What filter class does Vallox recommend?
Vallox units typically use an M5 filter for the extract side and an F7 (ePM1) filter for the supply side, matched to Finland's strict indoor air quality standards for cold-climate housing. This combination balances strong filtration with manageable pressure drop across the heat exchanger.
Which Vallox models does your filter range cover?
We stock filters for Vallox's core residential range, including ValloPlus and other digitally controlled Vallox units widely installed across Finland and the broader Nordic market. The model name and airflow variant are printed on the front panel, next to the digital control display.
Why are there 3 filters in the Vallox replacement filter pack?
Vallox systems use a three-filter setup to ensure optimal air quality and protect the system. Our replacement filter set includes two G4 filters and one F7 filter.
One G4 filter captures coarse particles from the extracted indoor air, protecting the system from dust and debris buildup. The second G4 acts as a pre-filter on the supply side, trapping larger particles such as insects and debris before they reach the main F7 filter. The F7 filter performs the greatest filtration function, capturing finer particles such as dust, pollen, and allergens, thereby improving indoor air quality.
This combination helps extend the system’s lifespan and maintain efficient performance.
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