david_je Posted January 31, 2019 Share Posted January 31, 2019 Can someone pls advise if they know of evidence-based alternatives? I could not find online. For example, I saw a report suggesting use of two standard masks, one over the other, but I am not sure if there's science behind that. Thanks. Link to comment Share on other sites More sharing options...
HLover Posted January 31, 2019 Share Posted January 31, 2019 N95 are available at Big C Link to comment Share on other sites More sharing options...
david_je Posted January 31, 2019 Author Share Posted January 31, 2019 2 hours ago, HLover said: N95 are available at Big C How recently did you buy, and which branch pls? Link to comment Share on other sites More sharing options...
jackdd Posted January 31, 2019 Share Posted January 31, 2019 They are available on Lazada Link to comment Share on other sites More sharing options...
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