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 Which facemask brand you buy ?, Which 3 layer Mask brand is certified ?

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ericcheng2021
post Nov 13 2021, 04:01 PM

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Joined: Mar 2021


QUOTE(stormstrider @ Aug 3 2021, 06:39 AM)
Fake..!  Where do you learn this?
Not even N95 can filter ammonia smell or any toilet freshener. You need to use respirator with filter that contain smell absorber like charcoal to do that...LOL laugh.gif

https://www.massnurses.org/health-and-safet...0care%20setting.
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https://www.lowyat.net/2021/258201/lg-puric...-purifier-lytv/
this can block ammonia smell or not sweat.gif

 

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