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Air purifiers usually consist of a filter, or multiple filters, and a fan that sucks in and circulates air. As air moves through the filter, pollutants and particles are captured, and the clean ...
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 ...
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 .
Dosages for a 90% kill rate of most bacteria and viruses range between 2,000 and 8,000 μJ/cm 2. Larger parasites such as Cryptosporidium require a lower dose for inactivation. As a result, US EPA has accepted UV disinfection as a method for drinking water plants to obtain Cryptosporidium , Giardia or virus inactivation credits.
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Unlike air purifiers, which filter or otherwise trap particles within an air circulator, air sanitizers act on airborne microorganisms in open interior air space. A sneeze - or cough -generated pathogenic aerosol will take significant time to be treated by a circulating air purifier simply because air circulators are unable to treat all air in ...
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