Poor Man’s Fit Test

Since mask fit-test machines cost $10,000, many people need a simpler, practical way to check that their mask is sealing properly on their face. In those cases, a simple four-step “poor man’s fit test” will help people check the fit of their mask and find leaks.     I was … Read more

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.