KF94

English Etymology en Korean Filter with mul 94% filtration efficiency. Noun ~ en uncountable An air particulate filtration standard originating in the Republic of Korea, South Korea, which requires filtration of 94% of air particulates. en Tara Parker-Pope How to Find a Quality Mask (and Avoid Counterfeits) w:The New York Times https://www.nytimes.com/article/covid-masks.html 2022-01-14 However, some fake masks made in China may be labeled KF94, so shoppers still need to do their homework. https://web.archive.org/web/20250818210547/https://www.nytimes.com/article/covid-masks.html 18 August 2025 en countable en KF94 filter a filter implementing the standard. en countable en KF94 mask a facemask using a filter conforming to the standard. en Tara Parker-Pope How to Find a Quality Mask (and Avoid Counterfeits) w:The New York Times https://www.nytimes.com/article/covid-masks.html 2022-01-14 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. https://web.archive.org/web/20250818210547/https://www.nytimes.com/article/covid-masks.html 18 August 2025 Coordinate terms en N95 U.S. standard, similar and almost equivalent to the Korean standard en KN95 Chinese standard, similar and almost equivalent to the Korean standard Translations standard French: fr KF94 Korean: ko KF94 Spanish: es KF94 French Etymology From Korean fr en KF94, as coined in South Korea. Noun fr noun en KF94 filtration standard Korean Etymology From Korean ko en KF94, from en Korean Filter with mul 94% filtration efficiency 1. Noun ko noun en KF94 A filtration standard A filter implementing the standard A mask using the filter of that standard Descendants en KF94 fr KF94 es KF94 ko terms written in foreign scripts Spanish Etymology From Korean es en KF94, as coined in South Korea. Noun es noun en KF94 filtration standard