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  2. The best air purifiers of 2025 - AOL

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

    For large rooms up to 1,881 square feet – such as a family/living room, big kitchens, a dining area, foyer or basement – the Winix 5510 Air Purifier can clean the air in that space within an ...

  3. Air filter - Wikipedia

    en.wikipedia.org/wiki/Air_filter

    A particulate air filter is a device ... with dust and grime Low-temperature oxidation catalyst used to convert carbon monoxide to less toxic carbon dioxide at room ...

  4. These Small Room Air Purifiers Will Have You Breathing Easy - AOL

    www.aol.com/small-room-air-purifiers-breathing...

    Air purifiers for small rooms are a game changer to get rid of dander, pollen, and other allergens. These are Cosmopolitan editors' faves.

  5. 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 .

  6. Air filtration in operating rooms - Wikipedia

    en.wikipedia.org/wiki/Air_filtration_in...

    High-efficiency particulate air (HEPA) filter is at least 99.97% effective in removing particles ≥0.3 μm in diameter (as a reference, Aspergillus spores are 2.5–3.0 μm in diameter). [3] High-level HEPA filtration and increasing air changes per hour (ACH) can reduce particulate matter (PM) and bacterial concentrations in the operating room ...

  7. Cleanroom - Wikipedia

    en.wikipedia.org/wiki/Cleanroom

    Air temperature and humidity levels inside a cleanroom are tightly controlled, because they affect the efficiency and means of air filtration. If a particular room requires low enough humidity to make static electricity a concern, it too will be controlled by, e.g., introducing controlled amounts of charged ions into the air using a corona ...

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