How Do I Tell if a HEPA Filter Is Completely New?

If a HEPA filter has been used. there will be a very obvious black area. After using the filter for a period of time, you will know how much pollution the HEPA has eaten for you and your family!


Get Your Free Guide to Breathing Safe

Join the thousand keeping up on the latest research & knowledge on how to breathe safe. Sign up now and receive a free guide to breathing safe!

Was this article useful?00

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.