I have an AirTamer, no mask, fights and arguments but too bad.. Things may have changed, been retired a long time. Surgical masks were to be worn a maximum of 4 hours during surgery, then changed. I'd hate to see a microscopic analysis of some masks. How often do people change them???
I have an AirTamer, no mask, fights and arguments but too bad.. Things may have changed, been retired a long time. Surgical masks were to be worn a maximum of 4 hours during surgery, then changed. I'd hate to see a microscopic analysis of some masks. How often do people change them???
I have an AirTamer, no mask, fights and arguments but too bad.. Things may have changed, been retired a long time. Surgical masks were to be worn a maximum of 4 hours during surgery, then changed. I'd hate to see a microscopic analysis of some masks. How often do people change them???