Of course, you can only filter particulate matter with those masks.
Doesn't filter out carbon dioxide (or monoxide) or any solvents or acids in the air. You need a specific filter for the latter, and carbon dioxide is much more complex to filter out.
But of course, they won't tell you that. They just want you to fearfully consoom.
The smoke is to keep people “locked down”. New attack vector to limit freedom of movement.
Of course, you can only filter particulate matter with those masks.
Doesn't filter out carbon dioxide (or monoxide) or any solvents or acids in the air. You need a specific filter for the latter, and carbon dioxide is much more complex to filter out.
But of course, they won't tell you that. They just want you to fearfully consoom.