Filter
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OriginalExtract filter size: 445x171x48 mmSupply filter size: 445x171x48 mmEfficiency (EN779): M5+M5(AC)Quantity: 2 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicGeneral dust and particle filtration
Odours and smokeFilters out smoke and unpleasant smells
Pollen and moldOriginalExtract filter size: 445x171x48 mmSupply filter size: 445x171x48 mmEfficiency (EN779): M5+M5Quantity: 2 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicGeneral dust and particle filtration
Pollen and moldHouse brandExtract filter size: 445x171x48 mmSupply filter size: 445x171x48 mmEfficiency (EN779): M5+M5Quantity: 2 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicGeneral dust and particle filtration
Pollen and mold1-3 of 3Customer Reviews
The experience was seamless, they communicated well, and I got what I ordered quickly. I also found a product that I didn’t know existed, and ordered it as well. All in all, an excellent experience!
Steve SchaferTrustpilot review
Top, fast shipment, good productTim SoenenTrustpilot review
Get what I ordered, cheaper than in my country (post service included).MatejTrustpilot review
Fast and easy to orderPeter PostruznikTrustpilot review
Everything was ok but it took like a week to receive the order when it appeared as completed in the status. Maybe more reliable information on the delivery process would be appreciated.Toni AlmansaTrustpilot review
Most important: No fake shop 🙂 (i wos looking for an impressum and country of operating headquarters). Summary: Fast delivery. Moderate price. Good Quality. Quick and easy purchase. Good online-Shop. I miss Paying with Paypal.Hans-dieter TinhofTrustpilot review
Very good product and good priceCARLOS MARTINSTrustpilot review
Frequently Asked Questions
Frequently asked questions ordered by popularity.
What is the difference between G4, M5, F7, etc. class filters?
Filter class refers to the size and amount of particles a filter can trap. The higher the classification, the more effectively the filter removes particles from the air.
For incoming outdoor air, it’s generally recommended to use higher-class filters. However, we always suggest following the manufacturer’s guidance and using the specific filter sets outlined in your unit’s eco-commissioning documentation.
For more information, take a look at our comprehensive guide to filter classes for heat recovery units.
How often do I need to change the filters in my HRV?It is recommended to change the filters in your MVHR every 3 to 6 months, depending on how dirty they become. However, the key signs that your filters need replacing include:- An increase in noise from the MVHR- A reduction in the amount of air being supplied or extractedSmart MVHRs with an electronic control panel and display screen show the volume of air supplied and extracted per hour.For example, if a Zehnder ComfoAir Q350 MVHR in a 140m² home operates at an optimal rate of 190m³ per hour but drops to 150–170m³, the filters should be replaced.How do I change the filter on my recuperator?It is recommended to change the filters in your HRV every 3 to 6 months, depending on how dirty they become. However, the key signs that your filters need replacing include:
- An increase in noise from the HRV
- A reduction in the amount of air being supplied or extracted
Smart HRVs with an electronic control panel and display screen show the volume of air supplied and extracted per hour.
For example, if a Zehnder ComfoAir Q350 HRV in a 140m² home operates at an optimal rate of 190m³ per hour but drops to 150–170m³, the filters should be replaced.
How do I find the model name and number of my HRV?There are several ways to identify the manufacturer and model of your recuperator:- Check the label on the unit itself, which usually displays the manufacturer and model number.
- Contact your installer or the developer/builder of your property for details.
- Measure the width, length, and height of the filter, then use these measurements to browse our online shop. Our system will suggest the correct recuperator filters for your unit.
- If none of the above help, please get in touch via the chat box at the bottom right of the page, and we’ll be happy to assist you.
Still Have Questions?
Support details to capture customers that might be on the fence.
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