Dictionary

KF94 en · NOUN

Etymology

Initialism of Korean Filter with 94% filtration efficiency.

Meanings

1. (uncountable) An air particulate filtration standard originating in the Republic of Korea, South Korea, which requires filtration of 94% of air particulates.
   • However, some fake masks made in China may be labeled KF94, so shoppers still need to do their homework. 2022 January 14, Tara Parker-Pope, “How to Find a Quality Mask (and Avoid Counterfeits)”, in The New York Times, archived from the original on 15 Jan 2022:
2. (abbreviation, alt-of, countable, ellipsis) Ellipsis of KF94 filter, a filter implementing the standard.
   alt of KF94 filter
3. (abbreviation, alt-of, countable, ellipsis) Ellipsis of KF94 mask, a facemask using a filter conforming to the standard.
   alt of KF94 mask
   • Unlike cloth masks, high-quality masks — called N95s, KN95s and KF94s — are made with layers of high-tech filtering material that trap at least 94 to 95 percent of the most risky particles. 2022 January 14, Tara Parker-Pope, “How to Find a Quality Mask (and Avoid Counterfeits)”, in The New York Times, archived from the original on 15 Jan 2022:

Forms

Coordinates

N95 · KN95

Translations (3)

ko KF94 (KF94) (standard) · es KF94 (standard) · fr KF94 (standard)