韩国 FDA 守门员口罩 KF94 1pc
 
KF94口罩是韩国生产制定的标准，根据韩国食品药品管理局（MFDS）官网的数据，该标准下的口罩对于直径0.4μm的颗粒物过滤率大于94%
换言之，KF94标准的口罩能够过滤掉最少94%的直径等于0.4μm的颗粒物
因此KF94口罩与KN95、N95等口罩类似，都是在一个防护等级下的口罩品类，可过滤一般传染性病毒
 
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FDA Keeper Mask KF94 1pc
 
KF94 masks are a standard produced in South Korea. According to data from the official website of the Korean Food and Drug Administration (MFDS), masks under this standard have a filtration rate of greater than 94% for particles with a diameter of 0.4 μm.
In other words, KF94 standard masks can filter out at least 94% of particles with a diameter equal to 0.4μm
Therefore, KF94 masks are similar to KN95, N95 and other masks, and they are all masks under the same protection level, which can filter general infectious viruses.
 
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