Filter
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OriginalExtract filter size: 335×170x20 mmSupply filter size: 350×230x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
OriginalExtract filter size: 450x145x20 mmSupply filter size: 580x145x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
OriginalExtract filter size: 400x105x20 mmSupply filter size: 500x105x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
OriginalExtract filter size: 320x220x20 mmSupply filter size: 320x250x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
OriginalExtract filter size: 316x144x20 mmSupply filter size: 316x144x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
OriginalExtract filter size: 455x701x20 mmSupply filter size: 701x379x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
OriginalExtract filter size: 501x295x20 mmSupply filter size: 306x285x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
OriginalExtract filter size: 400x260x20 mmSupply filter size: 250x230x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
OriginalExtract filter size: 350x138x20 mmSupply filter size: 225x194x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
House brandExtract filter size: 501x295x20 mmSupply filter size: 306x285x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
House brandExtract filter size: 400x260x20 mmSupply filter size: 250x230x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
House brandExtract filter size: 350x138x20 mmSupply filter size: 225x194x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
House brandExtract filter size: 320x220x20 mmSupply filter size: 320x250x20 mmEfficiency (EN779): G4+G4+F7Quantity: 3 filtersProtection levelFilter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
BasicBasic protects from basic stuff
Smog and pollenSmog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen, Smog and pollen
1-13 of 13Customer Reviews
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
Item arrived and in good condition Although the package arrived late their customer care was helpful and they replied immediately to our emails Will definitely buy from them againDavid VincentTrustpilot review
The Filters are good just that the packet reached late due to winter break.Asif MekraniTrustpilot 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 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 extractedSmart 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 change the filter on my recuperator?Changing the filters is simple. Follow these steps:1. Switch off the unit and open the dampers.2. Remove the old filters and insert the new ones.3. Close the dampers and restart the recuperator.The most important thing is to ensure you buy the correct filter for your recuperator. To do this, select your recuperator’s manufacturer from our catalogue, then choose the specific model.Our system will recommend the right filters for you. Simply place your order, replace the filter, and enjoy clean, fresh air once again.How do I find the model name and number of my recuperator?There are several ways to identify the manufacturer and model of your recuperator:1. Check the label on the unit itself, which usually displays the manufacturer and model number.2. Contact your installer or the developer/builder of your property for details.3. 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.4. 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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