How Long Can the Sqair’s HEPA Filter Last? How Often Will I Need to Replace the Filter?

Around 6 months. After going through the national standards test and our tests in our Beijing laboratory, the Sqair can be used for 6 months (or 1,400 hours) if it is on for 8 hours daily.

The actual longevity will be according to how much time you use it daily, and the pollution situation in your area. Use Smart Air’s HEPA filter lifespan calculator to know exactly when you should change your HEPA filter.


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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.