[Mom MD]

And the N95s that are not properly fit tested and worn do nothing. Heck Im not sure even one that is fit tested and worn properly does much

[redangus]

And if you have facial hair forget it

[b4me]

I wouldn’t trust N95 or any respirator mask even if made in china or even other countries - these days who knows the quality or contamination that could be happening before they even get to consumer?

[Aussiebabe]

Exactly, the Covid-19 virus is so small, that not even a properly fitted N95 mask works.

[nonsporting]

... Heck. I'm not sure even one that is fit tested and worn properly does much.

Do the math. The smallest holes in an N95 filter are 100x larger than the COVID virus. As explained to me:

It's like stopping mesquitos with a chain link fence.

The N95 mask filters at least 95% of airborne particles. What about that 5%?

Masks must be periodically decontaminated (alcohol or activate-oxygen). Who does that ever?