อัปโหลดแล้ว 4 ปี ก่อนหน้านี้
Respirators are used to protect wearer from harmful dust, fumes, vapors, mist, and gases. To get maximum protection from respirator you need to get right filters on them and you should wear it with proper seal around your face. If you don’t get right filters on your respirators then it won’t save you from hazards that they are not designed for.
https://mybreathbuddy.com/blogs/blog/p1-vs-p2-vs-p3-why-when-to-replace-your-respirator-particulate-filters
#P1filter #P2filter #Respirator
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