To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
The technical storage or access that is used exclusively for statistical purposes.
The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
N95 masks are primarily used in the United States and are regulated by the National Institute for Occupational Safety and Health (NIOSH), which is part of the Centers for Disease Control and Prevention (CDC). On the other hand, KF94 masks are commonly used in South Korea and are regulated by the Korea Food and Drug Administration (KFDA).
Hi, I think you should correct the article accuracy. KF94 is not equivalent to N95. Details KF94 res… 阅读更多 »
Thanks for sharing this article. It’s easy to confuse the two masks, given that their names are fairly similar. But, while the masks have some things in common, there are plenty of differences between them.
Thanks for the great article! I’ve read the more common KF94s are the “health masks” vs the “1st class”, and its filtration is for 0.4um, rather than 0.3um. Knowing now that COVID can be transmitted via aerosol, the 1% is likely not very significant, but could the 0.1um difference be?
Good to know that the referenced study showed no difference in blood oxygen levels, but in regards to CO2, wouldn’t we be concerned about blood CO2 levels?