- Face Mask
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- face mask, mask, N95 mask, what is N95, what is n95 mask, what is N95 Medical face mask?
What’s N95 Medical Face Mask? Besides the filtration efficiency of the mask, the tightness between the mask and the face is one of the important factors to determine the effect of the mask. Different types of masks have great differences with the fitness of the human face. Therefore, before using the mask, the fitness test […]