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  1. #1
    Thailand Expat tomcat's Avatar
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    Mask Effectiveness

    Mask Effectiveness-6ebd93f04c0c60ab76b849023b6b6752f863914-jpg

  2. #2
    Elite Mumbler
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    If the N95 masks have an air release valve, they are only protective one way. The users breath is released unfiltered. I have to wear a mask at work, and the ones with valves are not allowed.

  3. #3
    Hangin' Around cyrille's Avatar
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    Quote Originally Posted by pickel View Post
    If the N95 masks have an air release valve, they are only protective one way. The users breath is released unfiltered.
    The main reason for wearing a mask is, of course, to protect others.

    A point that escaped a few people like harry originally, but now he's quite evangelical about the mask wearing.

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