MADE IN KOREA MASKS THINGS TO KNOW BEFORE YOU BUY

N95s respirators controlled under product or service code MSH are class II clinical products exempt from 510(k) premarket notification, unless:The CDC suggests you shouldn't double-mask when wearing a KN95 mask. Friese adds that a KN95 mask typically features much more security than double-masking in any case, as long as it suits well.We're househo