Whether an air purifier has a replaceable HEPA filter, a permanent filter or a combination of both, they all need regular upkeep. CR walks you through taking care of several different types. | Consumer Reports

Are you guilty of these air purifier errors– or do you need a new one? Find the best air purifiers of the year here: https://www.consumerreports.org/appliances/air-purifiers/best-air-purifiers-of-the-year-a1197763201/?EXTKEY=YSOCIAL_FB | Consumer Reports