Conversation

How #respirators actually work and which type is best?

I see many people claiming #masks don't work. This thread will explain *how* they block #viruses much smaller than the size of the holes in the #filter and why you can still smell nasty things while wearing effective masks. ? 1/

This thread is long so a 1 page unrolled version can be found here: https://pingthread.com/thread/1602994049815908353