1 What levels of CO2 are you breathing with a mask on? Dangerous? Check out this video. (t.me) posted 3 years ago by Patriot2008 3 years ago by Patriot2008 +1 / -0 3 comments share 3 comments share save hide report block hide replies
Happen to hsve alternate link. can't open but would like to send to anyone i know that still wearing mask religiously