How Often Does the DIY’s HEPA Filter Need to Be Replaced?

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Filter replacement is calculated based on the time of use. According to our tests in Beijing, the DIY HEPA filter can last for about 1000 hours. If you switch on 8 hours the DIY everyday, seven days a week, you need replace the filter every three months. To find just how often you should change your HEPA filter where you use it, check out our HEPA filter lifespan calculator.

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