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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. 5 top-rated and lab-tested air purifiers - AOL

    www.aol.com/news/5-top-rated-lab-tested...

    Honeywell HPA300 HEPA Air Purifier for Extra Large Rooms - Microscopic Airborne Allergen+ Reducer, Cleans Up To 2250 Sq Ft in 1 Hour - Wildfire/Smoke, Pollen, Pet Dander, and Dust Air Purifier ...

  4. The 6 Best Air Purifiers for Any Room in the House - AOL

    www.aol.com/lifestyle/6-best-air-purifiers-room...

    Airmega AP-1512HH True HEPA Air Purifier. Small but mighty, this little Coway air purifier is ideal for apartments, dorms, and close quarters. It is designed to clean spaces up to 361 square feet ...

  5. 9 Best Air Purifiers of 2023, According to Testing - AOL

    www.aol.com/lifestyle/9-best-air-purifiers-2023...

    People suffering from allergies or asthma might find air purifiers with High-Efficiency Particulate Air (HEPA) filters particularly helpful because they remove common allergens and fine particles ...

  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. 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.