
The purpose of an effective face mask for filtering viruses like COVID-19 is to ensure that inhaled air ONLY passes through the filter cloth. This product fails to perform this task due to the large gap on each side of the bridge of the nose due to the lack of a nose clip. The inhaled and exhaled air flows through this gap under the eyes. When I tested the mask, there was almost no air flow through the mask itself. I noticed that in one review, a customer noted that his glasses fogged up while wearing this mask, further confirming this issue.

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