Filters are one of the most important parts of your ventilation system. Without a good filter, your ventilation system will not work optimally. Filters determine it air purification process And filter particles and dust particles from the air. So the fan Optimal work.
There is an important difference between the different filter classes.
The Standard G4 (or a lower filter class) stops stops that you can still see with the naked eye.
The finer structure of M5 and F7 filters stops, among other things, pollen and fine dust.
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