Air purifiers 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 ozone and VOCs, including formaldehyde. Equip yourself with the data-backed basics at our types of air purifier filters page.

Smart Air low cost purifiers

Smart Air is a social enterprise and certified B-Corp that offers simple, no-nonsense air purifiers and provides free education to protect people from the harms of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.

Certified B-Corp air purifier company