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I actually vacuum both the black and hepa filter every day to make sure that I enjoy peak performance. How long does this practice prolong the usage of the hepa filter? I don't know, but it is worth giving it a try.
Sorry, there was a problem. Please try again later.Winix recommends changing the carbon filter every 3 months and the true HEPA filter every 12 months. The unit also has a Change Filter Indicator that will light up when it is time to change the true HEPA
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