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edgecollective.io | ||
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www.texairfilters.com
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| | | | | The "Box Fan with a MERV 13 Filter" air cleaner is an easy-to-assemble, inexpensive and effective way to improve indoor air quality and to reduce exposure to Covid-19. The concept is really simple - attach an effective air filter to a box fan and clean the air. This article gives more details about the construction...More | |
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trustedair.com
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| | | | | Discover the causes and symptoms of winter allergies and how an air purifier can eliminate common indoor allergens to provide fast relief. | |
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www.wgbh.org
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| | | | | This air purifier can be made in 20 minutes and test suggests it's highly effective at removing virus-laden particles from the air. | |
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www.epa.gov
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| | | Known as tropospheric or "ground-level" ozone, this gas is harmful to human heath and the environment. Since it forms from emissions of volatile organic compounds (VOCs) and nitrogen oxides (NOx), these pollutants are regulated under air quality standards. | ||
