The main difference between kn95 mask with breathing valve and without breathing valve is that Kn95 mask with breathing valve has better air permeability, and can send out the gas in the mask in time, which is more comfortable. However, this mask can only protect the wearer from external infection, but if the wearer is infected with COVID-19, the exhaled gas is very dangerous to others.
Therefore, although kn95 respirator has a better anti-virus effect, it will be safer to use it during the epidemic. Of course, you can choose it according to your actual needs.
2 kn95 masks with and without valves The main difference between kn95 masks with and without breathing valves is the resistance to breathing and the comfort when wearing them, because if you wear masks without breathing valves for a long time, the heat will accumulate when breathing, and the resistance to breathing will increase, resulting in uncomfortable feelings, while masks with breathing valves will feel more comfortable when breathing, which is more suitable for people with chronic respiratory diseases, heart diseases or other diseases accompanied by dyspnea.
However, it should be noted that if they are infected with the virus or suspected patients, it is better to use a valveless kn95 mask in this case, which is more beneficial to their health.
How to open the breathing valve of 3 Kn95 mask Generally, Kn95 mask is mainly used for industrial protection without epidemic situation, so if the breathing valve is opened first, it can be opened in a place with good air quality. However, during my stay in COVID-19, for the health of myself and others, it is generally recommended not to open the breathing valve casually.
This is mainly because N95 with exhalation valve can protect the wearer, but not the people around. If you are a virus carrier, it is easy to cause others to be infected. Secondly, casually opening the expiratory valve may also lead to COVID-19 infection.
4 How to wear kn95 with breathing valve In fact, KN95 mask belt has no breathing valve. They are used in the same way, and there is no obvious difference. The specific method is as follows:
1. Wash your hands first.
2. Choose a KN95 mask with a breathing valve that suits you.
3. Then hold the mask with your hand to ensure that it can cover your mouth, nose and chin tightly.
4. Then hang the headband on your head, and the metal nose clip should be located at the tip of your nose.
5. Finally, pinch the metal wire on the mask and stick it on your face.