Does the DIY Wind Direction Affect the Purification Efficiency?

We have conducted tests, and the net air purification effect of absorbing and releasing air is the same. It is just that the dirty air passes through the fan blades first, and the fan blades are easily dirtied; the absorbed air is the dirty air that passes through the filter first, so the fan blades are relatively clean in comparison.


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Smart Air is a social enterprise that creates simple, no-nonsense air purifier and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.