Why Don’t I Feel Air Coming Out From DIY Air Purifier?

This is normal for the DIY air purifier. Putting a HEPA filter onto a fan like the Smart Air DIY will  reduce the airflow compared to when it’s being used as a fan. Our tests show that the filter is effectively cleaning the air in the room. If you want stronger airflow, try the Sqair or our Blast air purifiers.


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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.