KN95 antivirus mask with valve
1. KN95 level anti-virus mask
2. Anti-fog, anti-pm2.5, anti-virus masks, civil dust and anti-fog masks.
The flat folding model KN95 mask is easy to carry, and the folding KN95 mask is stored.
Made of electrostatic nonwoven polypropylene media and spunbond materials, it provides low breathing resistance and a comfortable user experience.
Put it on your face quickly and easily.
The highly flexible elastic band is welded to the outside of the filter media to avoid the risk of leakage.
The optimized internal volume improves comfort and convenient communication.
The function of the breathing valve: In a working environment with damp heat or poor ventilation or heavy workload, using a mask with a breathing valve can help you feel more comfortable when exhaling. The function principle of the breathing valve is that the positive pressure of the exhaust gas blows off the valve piece during exhalation to quickly expel the exhaust gas in the body, reducing the sultry feeling when using the mask, and the negative pressure during inhalation will automatically close the valve to avoid Pollutants absorbed into the external environment.
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