Is the current 3m mask with a breathing valve?
The current smog weather is very serious. Most people wear masks, but when buying masks, they will find that 3M masks are especially good. So many people buy them. Is it good to use 3m masks with breathing valves? ? When buying a mask with a breathing valve, you may not know the function of the breathing valve. Is the current 3m mask with a breathing valve ? The 3M mask with exhalation valve works well. Anti-fog masks have masks for exhalation valves, such as 3m9001v masks, which conform to the kn90 standard. Anti-fog masks with breathing valves are more suitable for harsher environments and are more conducive to human breathing. In work environments where heat is humid or poorly ventilated or labor intensive, using a mask with a breathing valve can help make it more comfortable when exhaling. The working principle of the breathing valve is that the positive pressure of the exhaust gas during the exhalation blows the valve plate to quickly remove the exhaust gas in the body, reducing the sultry feeling when using the mask, and the negative pressure during inhalation automatically closes the valve to avoid suction. Contaminants entering the external environment. Function of the breathing valve: In a hot or poorly ventilated or labor-intensive work environment, using a mask with a breathing valve can help you feel more comfortable when exhaling. The function of the breathing valve is to exhale the positive pressure of the exhaust gas to blow the valve plate to quickly remove the exhaust gas in the body, reduce the sultry feeling when using the mask, and the negative pressure during inhalation will automatically close the valve to avoid Inhaled pollutants from the outside environment. 3M masks are widely used in life. Only by mastering the correct method of use can 3M masks better play their protective effects. Is the 3m mask with a breathing valve ? The 3m mask can minimize the pollution in our breathing, so the mask with the breathing valve must have better filterability.
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