Choosing the Right MVHR Filter Grade: G3, G4, and M5 - Filters Direct
![Choosing the Right MVHR Filter Grade: G3, G4, and M5 - Filters Direct](https://www.filtersdirect.uk/wp-content/uploads/2023/03/MVHR-Filter-Grades.jpg)
![](https://www.emw.de/en/assets/components/phpthumbof/cache/Minipleat-Kompaktfilter.0294deba9034cbbe67af5f7a72543bf7.jpg)
Comparison of filter classes according EN 779, EN 1822 and ASHRAE 52.2.
![](https://m.media-amazon.com/images/I/313umjogwkL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFIVE%2CBottomLeft%2C360%2C-6_SR600%2C315_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Nuaire MRXBOX95-LP1 2x Replacement MVHR Air Filters Pack G3 G4 M5 (MRXBOXAB-ECO-LP1) (M5 (Pollen + Allergies)) : : DIY & Tools
![](https://m.media-amazon.com/images/I/71gzWe0lnLL._AC_UF350,350_QL80_.jpg)
Vent Axia Sentinel Kinetic F & FH 2x Replacement MVHR Air Filter Pack G3 G4 M5 (G4 (Premium)) : : DIY & Tools
![](https://www.bpcventilation.com/media/wsi_blog/MEv-offer.png)
fh Heat Recovery System
![](https://aerofilplus.com/wp-content/uploads/2023/09/3.jpg)
Primary Air Filter Media - Buy coarse air filter media, roll filter media, prefilters Product on Air Filter, Filter media, Air Filter Material
![](https://www.filtersdirect.uk/wp-content/uploads/2022/07/guide-to-mvhr-filters.jpg)
A Guide to MVHR Filters - Filters Direct
![](https://s3.amazonaws.com/airfilterbuy-content-service/e17f54filterbuy-resources-4.webp)
Different Air Filter Ratings: FPR vs. MERV vs. MPR
![](https://www.filtersdirect.uk/wp-content/uploads/2022/12/MVHR-Installation-Photo-e1678966485166.jpg)
Vent Axia Sentinel Kinetic Plus B & High Flow Replacement Filters - Filters Direct
![](https://www.filtersdirect.uk/wp-content/uploads/2023/02/194x330_Measurements-1.jpg)
Titon HRV Q Plus 1.6 & 1.65 MVHR Filters - Filters Direct