KF94 Face Mask, Black (Pack of 1 pc)
HK$30.80
HK$38.50
KF94 is the Korea Filter standard with 94% Filtration Efficiency. This is similar to the N95 US standard of 95% Filtration Efficiency. This chart from 3M compares the difference between the KF94 and N95 standard. Because of the similarity of the Filtration Efficiency, KF94 might be considered as a N95 alternative mask.
