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目前显示的是 十二月, 2023的博文

What's the Difference Between N95 and KN95 Masks?

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The National Institute for Occupational Safety and Health has developed standards to protect workers from hazardous airborne particles. NIOSH-approved N95 masks reduce the number of harmful particles that can enter a person’s lungs. The main difference between NIOSH-approved N95 masks and another type of respirator called a “kn95 mask” is the filtration level. Respirators with lower filtration levels are called simply kn95 masks, while those with higher filtration levels are known as N95 masks. Here is more information on the difference between these two types of respirators: N95 Masks N95 respirators are the most popular type of mask and are considered a high level of protection. They are designed to filter out 95% of all airborne particles. These masks are only approved for use where there is a known airborne toxic agent, or where a specific occupational setting requires the use of a mask. Due to the high level of filtration, healthcare workers, those in chemical labs, welders and ot