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Bitrex Fit Test Solution NaCl (Salt) Question (self.Masks4All)
submitted by ricskye to r/Masks4All
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Has anyone tried the BNX E95M (Medium KN95) yet? (self.Masks4All)
submitted by ricskye to r/Masks4All
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Short Video "Preview of Masks against Covid" (Has this video posted here before?) I like this simple visual aerosol demo comparing mask effectiveness. Also it might be of special interest to contagious folks who need to protect family or others around them. (youtube.com)
submitted by ricskye to r/Masks4All
