I'm referring to the cloth masks with valves that I see a lot of people wearing. Not the n95 respirators with valves that are used in construction, though I do have a beef with people wearing those around as well.
I'm referring to the cloth masks with valves that I see a lot of people wearing. Not the n95 respirators with valves that are used in construction, though I do have a beef with people wearing those around as well.