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A comment on Estimated 1.56B face masks will have entered oceans in 2020. Parent comment
is there a way to know who has the exhalation filter and who doesn't, though?
How does a high-volume retail store know whether the rando with the elastomeric mask has a sufficient exhalation filter or not?
That is my big concern.
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is there a way to know who has the exhalation filter and who doesn't, though?
How does a high-volume retail store know whether the rando with the elastomeric mask has a sufficient exhalation filter or not?
That is my big concern.