Answer
Jul 14, 2020 - 10:42 AM
Hello. Transmission methods of COVID-19 is still largely a work in process, according to health experts, but these filters in conjunction with proper masks meet their current guidelines.
Thank you.
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Jul 14, 2020 - 10:42 AM
Hello. Transmission methods of COVID-19 is still largely a work in process, according to health experts, but these filters in conjunction with proper masks meet their current guidelines.
Thank you.
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