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Re:Estimated 1.56B face masks will have entered oceans in 2020 by deegles on Tuesday December 15, 2020 @04:02PM (#25435214)
Masks with exhalation valves (edit: and no filter :) are inconsiderate to others since they do not stop you from spreading virus particles.

https://www.nist.gov/news-events/news/2020/11/new-airflow-vi...

Re:Estimated 1.56B face masks will have entered oceans in 2020 by ceejayoz on Tuesday December 15, 2020 @04:09PM (#25435292)
> with a retrofitted exhalation valve filter
Re:Estimated 1.56B face masks will have entered oceans in 2020 by appleflaxen on Wednesday December 16, 2020 @01:58PM (#25446804)
that definitely fixes it.

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.

Re:Estimated 1.56B face masks will have entered oceans in 2020 by ripecoconut on Tuesday December 15, 2020 @04:06PM (#25435263)
That's why they put a filter on it
Re:Estimated 1.56B face masks will have entered oceans in 2020 by jjeaff on Tuesday December 15, 2020 @09:46PM (#25438442)
You can't spread what you haven't caught.
Re:Estimated 1.56B face masks will have entered oceans in 2020 by TheRealWatson on Tuesday December 15, 2020 @10:04PM (#25438562)
Seems like everyone assumes they are not infected. It's always the others that are irresponsibly spreading diseases.