liverpool cloth face mask. N95 masks need to be worn tightly to get the best use effect
In addition, the N95 model is also more expensive than medical masks, so the daily wear will also greatly affect your pocket.
According to the available data, the N95 respirator is 10-20% more likely to prevent infection than a medical mask (research data for seasonal influenza virus), but provided that the user must wear it correctly. and there is no gap between the mask and the face, which is very difficult to do.