N95 masks and how they work
In: Technology
It’s the same principle as a coffee filter, you have the layers in the mask itself that are very fine as to catch anything in the air that passes through it like dust, harmful bacteria, fine moisture droplets that may harbour virus particles, harmful chemicals from various sprays etc. This prevents said things from entering the respiratory system, hence protecting the wearer.
What differs these say from say generic surgical masks is they are generally designed to make a close ‘seal’ with the face of the wearer and has much better filtration quality as well as providing much better protection to the wearer. A generic looser surgical mask offers little protection to a wearer from outside contaminants and it used usually for the reverse purpose, stopping someone from distributing potentiontial contaminants into a sterile enviroment or to other people.
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