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  2. The best air purifiers of 2025 - AOL

    www.aol.com/lifestyle/best-air-purifiers...

    One of tallest (nearly 24 inches) and heaviest (17.5 pounds) air purifiers tested, the Winix 5500-2 Air Purifier is ideal for small-to-medium rooms (up to 360 square feet), with a True HEPA filter ...

  3. 6 cheap air purifiers to get your sinuses in check this ... - AOL

    www.aol.com/best-cheap-air-purifiers-allergy...

    A good air purifier has been keeping me sane and these six are super cheap and powerful. 6 cheap air purifiers to get your sinuses in check this allergy season Skip to main content

  4. Do Air Purifiers Actually Work? Here's What Experts Say - AOL

    www.aol.com/air-purifiers-actually-heres-experts...

    Air purifiers can indeed neutralize some of the risks posed by indoor air pollution — but not all purifiers are equally as effective, and many don't live up to their marketing hype.

  5. Corsi–Rosenthal Box - Wikipedia

    en.wikipedia.org/wiki/Corsi–Rosenthal_Box

    An example of a homemade unit. The Corsi–Rosenthal Box is a design for a do-it-yourself air purifier that can be built comparatively inexpensively. It consists of four [1] or five [2] [3] HVAC particulate air filters that form a cube and a box fan to draw air through the filters.

  6. Air purifier - Wikipedia

    en.wikipedia.org/wiki/Air_purifier

    An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .

  7. Where to find top-rated, affordable air purifiers under $100

    www.aol.com/news/where-top-rated-affordable-air...

    In our guide to the best air purifiers of 2020, the president of the nonprofit Asthma and Allergy Foundation of America told us we spend about 90 percent of our time indoors and take 20,000 ...