English Dictionary

KN95

noun

(uncountable) An air particulate filtration standard originating in the People's Republic of China, which requires filtration of 95% of air particulates 0.3 microns and larger.

I bought a KN95 mask for protection.

意味（1）

(uncountable) An air particulate filtration standard originating in the People's Republic of China, which requires filtration of 95% of air particulates 0.3 microns and larger.

意味（2）

(countable) Ellipsis of KN95 filter., a filter implementing the standard

意味（3）

(countable) Ellipsis of KN95 mask., a facemask using a filter conforming to the standard