Ear Hanging Protective KN95 Face Mask 5 Layers High Breathability
Choose a qualified mask
When choosing a mask, look at whether there is a product name on the package, whether there is information of the manufacturer or the supplier, whether there is a mask certificate or instructions.Disposable masks should also be labeled as disposable, and medical respirators that are reused should be labeled as sterile.Generally speaking, the general gauze mask should be marked is the general level or disinfection level.Mask materials should not smell, and harmless to the human body, especially the human face contact part of the material, should not irritant and irritability.
The N95 mask is one of nine NIOSH certified particle respirators."N" means oil intolerance."95" means that the concentration of particles in the mask is more than 95% lower than the concentration of particles outside the mask when exposed to a specified number of specialized test particles.95% of these values are not averages, but minimums.The N95 is not a specific product name, as long as it meets the N95 standard and is approved by NIOSH.The protection grade of N95 means that the filtration efficiency of mask filter material on non-oily particulate matter (such as dust, acid mist, paint mist, microorganism, etc.) is 95% under the testing conditions stipulated by NIOSH standard.
The N95 mask is one of nine NIOSH certified particle respirators.N95 is not a specific product name, but as long as the product meets the N95 standard and passes the NIOSH review, it can be called N95 mask, which can achieve filtration efficiency of more than 95% on particles with an aerodynamic diameter of 0.075 m±0.020 m.
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