Airplane filters remove 99% of particles, experts say, which can help keep transmission of COVID-19 low on flights. But face masks provide an additional layer of protection -- especially if you're ...
ST. PAUL -- Global concerns over avian influenza mean busy times for 3M Co. and other businesses that make air-filtering masks. Plants that make 3M's face masks have been running nonstop in recent ...
Some of the worst air quality levels on record on the East Coast are impacting consumer shopping patterns and driving air purifier stocks higher. People are rushing to buy air filters, humidifiers and ...
Electrostatic adsorption is an important complement to mechanical filtration for high-efficiency air filtering in the use of face masks. However, the electrostatic charge of the filters decays over ...
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