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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...

    We select top-rated and staff recommended air purifiers from brands ... Lighter Side. Politics. Science & Tech ... It also has a 4.7-star average rating from over 30,000 reviews on Amazon. It has ...

  4. 6 Top-Rated Air Purifiers For Any Room in the House - AOL

    www.aol.com/lifestyle/6-top-rated-air-purifiers...

    These quiet and effective air purifiers are the best of 2023. Check out the bestselling, expert-recommended air purifiers that clean out allergens, pollen, mold spores, and more.

  5. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    During the COVID-19 pandemic, the mask and respirator market rapidly grew, along with counterfeit respirators. [1] NIOSH, on behalf of the Department of Health and Human Services, filed a trademark application on June 17, 2020, for various 42 CFR 84 trademarks, including the N95, allowing NIOSH to enforce rules on counterfeit masks outside of rules defined in 42 CFR 84.

  6. Powered air-purifying respirator - Wikipedia

    en.wikipedia.org/wiki/Powered_air-purifying...

    A powered air-purifying respirator (PAPR) is a type of respirator used to safeguard workers against contaminated air. PAPRs consist of a headgear-and-fan assembly that takes ambient air contaminated with one or more type of pollutant or pathogen , actively removes (filters) a sufficient proportion of these hazards, and then delivers the clean ...

  7. Air ioniser - Wikipedia

    en.wikipedia.org/wiki/Air_ioniser

    Air ioniser and purifier with its dust collection plates removed. Air ionisers are used in air purifiers to remove particles from air. [3] Airborne particles become charged as they attract charged ions from the ioniser by electrostatic attraction. The particles in turn are then attracted to any nearby earthed (grounded) conductors, either ...

  8. 7 top-rated air purifiers to add to your work-from-home set up

    www.aol.com/lifestyle/7-top-rated-air-purifiers...

    Thanks to a filter, air purifiers work to trap pollutants and then recirculate clean air around your space.

  9. 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 .