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Board Politics & Society
Topic OP
Can the filter mask change dust from PM2.5?
by
oker288
on 13/09/2020, 13:14:35 UTC
Hi there ,
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Looking for a washable fabric mask I wonder if the fabric type will really filter PM2.5 dust or not, try to find out.
Selected image Every shop said that it is a N95 model that can filter PM2.5 dust, but not quite sure. Who has any information?

Thank in advance.