Put your money where your mouth is!
https://www.canbuyornot.com/reviews/...-review-price/
Put your money where your mouth is!
https://www.canbuyornot.com/reviews/...-review-price/
"In the land of the blind the one eyed man is king"
Honestly, for people in a high-risk category, especially those suffering with upper respiratory diseases such as COPD, etc., wearing a filtration system like this would probably be a good idea.
I imagine trying to talk with one of these on would make you sound like Darth Vadar.
https://www.youtube.com/watch?v=JaBlw1gNWdg