Originally Posted by Stickfight
Originally Posted by rockinbbar
Any "mask" that is dense enough to stop a virus, also won't let enough air through for you to live on.


This is provably wrong. If it were true, how would NBC mask with a P3 filter get certified to EN 143?



Then go put one on, and go lick the toilet bowl at the truck stop bathroom.

Molɔ̀ːn Labé Skýla!