Why Use a H11 Grade Filter on the Sqair Instead of a Grade 12 Filter?

A H11 HEPA filter CADR is 315m³/h, whereas a H12 HEPA filter CADR is 20% less effective, at 270m³/h. To achieve better results, we chose to use the H11 filter.

Free Guide to Breathing Safe

Want to learn more about ? Join thousands more and stay up to date on protcting your health.

Was this article useful?11

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.