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

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

    Most filters on the market are designed to capture particles like dust, smoke and pollen, but they don’t catch gases like VOCs (volatile organic compounds) or radon that may accumulate from ...

  3. NASA Study on Air-Purifying Houseplants Debunked: Here ... - AOL

    www.aol.com/lifestyle/nasa-study-air-purifying...

    The idea that a simple houseplant could “absorb” VOCs and make the air cleaner was good news, and many publications, including Good Housekeeping, used this study as a basis to recommend “the ...

  4. Here's why you should be using an air purifier—stat - AOL

    www.aol.com/news/heres-why-using-air-purifier...

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  5. NASA Clean Air Study - Wikipedia

    en.wikipedia.org/wiki/NASA_Clean_Air_Study

    Since the release of the initial 1989 study, titled A study of interior landscape plants for indoor air pollution abatement: An Interim Report, [6] further research has been done including a 1993 paper [7] and 1996 book [8] by B. C. Wolverton, the primary researcher on the original NASA study, that listed additional plants and focused on the removal of specific chemicals.

  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. HEPA - Wikipedia

    en.wikipedia.org/wiki/HEPA

    HEPA filters are designed to arrest very fine particles effectively, but they do not filter out gasses and odor molecules. Circumstances requiring filtration of volatile organic compounds, chemical vapors, or cigarette, pet or flatulence odors call for the use of an activated carbon (charcoal) or other type of filter instead of or in addition to a HEPA filter. [20]