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