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KF94

Noun CEFR B1

Definitions

  1. An air particulate filtration standard originating in the Republic of Korea, South Korea, which requires filtration of 94% of air particulates.
  2. Ellipsis of KF94 filter, a filter implementing the standard.
  3. Ellipsis of KF94 mask, a facemask using a filter conforming to the standard.

Equivalents

한국어KF94

Examples

“However, some fake masks made in China may be labeled KF94, so shoppers still need⟳ to do their homework.”
“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.”

CEFR level

B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
See all B1 English words →

See also

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