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Extract filter size: 436x196x40 mmSupply filter size: 436x196x40 mmFilter class (EN779): G4+F7Filter 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
Smog and bacteriaProtects against allergens and urban pollution
Extract filter size: 264x182x18 mmSupply filter size: 264x182x18 mmFilter class (EN779): G4+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
Extract filter size: 214x186x18 mmSupply filter size: 214x186x48 mmFilter class (EN779): G4+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
Extract filter size: 284x103x60 mmSupply filter size: 284x103x60 mmFilter class (EN779): G4+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
Extract filter size: 500x170x48 mmSupply filter size: 340x170x48 mmFilter class (EN779): G4+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
Extract filter size: 400x196x40 mmSupply filter size: 400x196x40 mmFilter class (EN779): G4+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
Extract filter size: 320x235x48 mmSupply filter size: 320x235x48 mmFilter class (EN779): G4+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
Extract filter size: 260x220x48 mmSupply filter size: 260x220x48 mmFilter class (EN779): G4+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
Extract filter size: 536x220x40 mmSupply filter size: 536x220x40 mmFilter class (EN779): G4+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
Extract filter size: 500x196x40 mmSupply filter size: 500x196x40 mmFilter class (EN779): G4+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
Extract filter size: 630x198x40 mmSupply filter size: 630x198x40 mmFilter class (EN779): G4+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
1-11 of 11Discover our range of replacement filters for your Recom ventilation unit, all made in the EU! Our selection includes high-performance filter sets combining G4 (ISO Coarse 80%) and F7 (ISO ePM1 70%) filters, designed to protect your system and improve indoor air quality. All our options are quality-tested and fully compatible with Recom MVHR units.
Model compatibility
This category includes filter sets compatible with all major Recom MVHR ventilation units, including:
- EPP series
- 2 / 3 / 4 / 6 series
To ensure the right fit, it’s important to know the exact model of your ventilation unit, as different models require different filters. You’ll find helpful tips on identifying your device in the FAQ section.
Filter types and what they protect against
Our replacement filter sets for Recom units are designed to ensure optimal air quality and system performance by combining two filters with different filtration roles. Each set includes:
- G4 filters (ISO Coarse 80%) on the extract side: ideal for capturing larger particles like soil particles, large pollen grains, plant debris, insect wings, sawdust, sand and textile lint.
- F7 filters (ISO ePM1 70%) on the supply side: high-efficiency filters that capture very fine particles, including bacteria, smog, tobacco smoke particles, combustion dust, spores, and wildfire smoke particles.
Usage and maintenance
To keep your MVHR system running efficiently and your indoor air clean, we recommend replacing the filters every 3–6 months. However, this depends on your environment, if you have pets, or nearby construction.
To make the process easy, we provide step-by-step replacement instructions for each filter model. You can find them under the “How to change” tab on every product page.
Manufacturing quality you can trust
Our carefully developed house brand filters are made in the European Union by certified manufacturers. They are produced with high-quality materials, under strict ISO 16890 standards to ensure high filtration performance and reliability.
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 do I find the right filter for my Recom heat recovery unit?


The simplest way is the model code on the front cover label of the Recom unit. We stock filter sets for the Recom 2RT, 2SR, 3SEF, 3SR, 4RT, 4S(E), 4SR, 6S(E), 6SR, EPP2SE and EPP3SE.
If the label has faded or become illegible, measure the extract and supply filters directly – length, width and thickness in millimetres – and match the dimensions on our product pages.
What filter classes are used in Recom heat recovery units?


The Recom filter sets we stock are G4+F7: a G4 filter that protects the heat exchanger from coarse dust and a fine F7 (ePM1) filter that cleans the incoming air of fine dust and pollen. They are made in our house brand to the original dimensions for a precise fit.
How often should Recom filters be replaced?


For Recom units it's recommended to check the filters every 2–3 months and replace them once you notice reduced airflow or increased noise. The standard maximum interval is 3–6 months, but in a dusty environment or near a busy street it's worth checking more often.
Regular checks protect not only air quality but also the recovery unit's own heat exchanger from premature contamination.
Is it worth choosing an equivalent filter instead of an original Recom one?


Yes – our Recom filter sets are house-brand G4+F7 sets made in the EU to the original dimensions and ISO 16890 filtration classes, at a lower price than the manufacturer's originals. Since filters need replacing several times a year, the price difference adds up over a year.
If you're unsure of the exact size, send us the model code or the filter dimensions before ordering – we'll check the match in advance.
Can I use a higher-class F7 filter in a Recom unit instead of the standard G4?


You don't need to look for a separate upgrade: every Recom filter set we stock already pairs a G4 filter, which protects the heat exchanger, with a fine F7 (ePM1) filter for the supply air that captures fine particles and pollen much better than G4.
If your unit has so far run with G4 on both sides, the F7 filter adds a little airflow resistance, so check the filters regularly and replace them as soon as airflow drops.
Still Have Questions?
Support details to capture customers that might be on the fence.
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