|Country of Origin||Korea|
Definition: "KF" is an exclusive standard for Korean masks, written in Korean
|Delivery / Return||
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Filter is a mask standard specified by the Korean Health Insurance Bureau.The number after "KF'' is
Represents the percentage of masks that can block fine particles.KF94 effectively blocks about 94%,
Fine particles of 0.4 microns or less and the source of infection
This is parallel goods.
Warranty is not included.