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9 Apr 2018 . Retail masks may be certified to local or international standards, but their . assessment, ppe, air pollution, diesel fumes, pm10-pm2.5-ultrafine . The tests were conducted in an exposure chamber supplied with air from a .
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6 Apr 2020 . President Trump · Joe Biden · Bernie Sanders · Coronavirus · climate change · Ukraine . Plus, limited supplies needed to be prioritized for frontline health workers. . Such guidelines could also exacerbate shortages of medical masks or . masks are not intended to provide protection against aerosols.
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8 Apr 2019 . Pitta masks capture large pollen particles, but they are ineffective against 0.3-micron particles, so PM2.5, bacteria . AQ Blue, a company that produces air pollution masks, tested the . Moreover, the Pitta should be considered safe to use in China, India, Thailand or any other country with high PM2.5 levels.
Click the link to know about our anti-pollution mask in India and their effective shield. . PM2.5 KN95 Dust Mask - Icy Blue . These masks are made of High quality filter media which blocks PM2.5 dust, haze, bacteria, influenza viruses etc. . 80% to 95% depending upon the certification standard like FFP1/N95/KN95 etc.
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