Air purifiers may use many different types of filters to filter the Air. Smart Air recommends HEPA filters to capture particulate pollution like PM2.5 and pollen, and Activated Carbon filters to capture hazardous gases like some VOCs and formaldehyde. To learn more about the different types of filters that exist, visit our Air Purifier Filter Types page.

Smart Air low cost purifiers

Smart Air is a social enterprise that creates simple, no-nonsense air purifiers 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.

Certified B-Corp air purifier company