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Extract filter size: 294x136x30 mmSupply filter size: 294x136x30 mmFilter class (EN779): M5+M5Filter quantity in a set: 2 filtersProtection level
Filter 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
Extract filter size: 294x136x30 mmSupply filter size: 294x136x30 mmFilter class (EN779): M5+F7Filter quantity in a set: 2 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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Customer Reviews
Need Help? Start Here.
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.
How fast do you deliver Oxygen ventilation filters within Belgium?


We stock the standard Oxygen filter sizes for fast dispatch, with in-stock orders leaving within 24 to 48 hours and arriving in about 4 to 5 business days. Oxygen units are less common in Belgium than the mainstream MVHR brands, so keeping the usual classes in stock avoids the delays that come with ordering them in from abroad each time.
What filter class does Oxygen use as standard?


Oxygen residential units are generally fitted with M5-class filters, with F7/ePM1 available as an upgrade for households wanting finer particle protection. Both classes are cut to fit the same housing without modification.
Are house brand filters a good fit for Oxygen units?


Yes — our house brand filters match the originals on every point that matters:
- Manufactured in the EU
- Built to the same ISO 16890 standards as Oxygen's original filters
- Cut to matching tolerances
That combination makes them a reliable, lower-cost alternative for regular replacement.
How do I find the right filter for my Oxygen ventilation unit?


The model designation is usually printed on the front cover near the filter access panel. We stock filter sets for Oxygen Easy and X-Air units — C180/C180E, C200/C200E, C250, V200/V200E and V400/V400E/V500/V500E/V600. If the label is worn or missing, measure your existing filter to confirm the right replacement.
What happens if an Oxygen filter I order turns out not to fit my unit?


If an ordered filter doesn't match your Oxygen unit, contact us and we'll exchange it for the correct size or class, provided it's unused and in its original packaging. Sharing your model code or exact filter measurements when ordering is the simplest way to get it right the first time.
Oxygen is not a common brand in Belgium — what if the filter we order doesn’t fit?


You can return it. Unused products can be sent back within 30 days of receipt for a full refund, and once the return arrives it is checked within 5 business days and refunded within a further 5 to the original payment method. The better route is to head off the mismatch: Oxygen units are seen far less often here than the mainstream MVHR brands, and closely named models such as the X-Air C200 and V200 do not take the same filter. Measure the old filter in millimetres — width, height and thickness — send us the dimensions with a photo of the type plate, and we'll confirm the size before you order.
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