Kf80 Mask Vs Kf94- kf 94 หน้ากาก ,KF masks can either be found as KF80 of KF94, with these numbers representing the filtration efficiency. KF80 is for masks that can filter more than 80% of 0. A KF94 filters out 94%!!!.Kf80 Mask Vs Kf94KF masks can either be found as KF80 of KF94, with these numbers representing the filtration efficiency. KF80 is for masks that can filter more than 80% of 0. A KF94 filters out 94%!!!.



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