Dangerous CO2 levels demonstrated with Face Masks

Dangerous levels of carbon dioxide very detrimental to your health breathed in with earloop masks. No protection from breathing in or out viral particles.

See also nurse demonstrating dangers and ineffectiveness of earloop face masks :

https://rumble.com/vcdyfb-nurse-exposes-dangers-of-mandatory-facemasks.html

Another surgical and cloth mask CO2 demonstration:

https://www.bitchute.com/video/ypLjmXQoLygi/