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KF94

French, noun

KF94 is a French noun meaning “KF94 filtration standard” (English Wiktionary, September 2026).

What does KF94 mean in English?

noun

  1. 1

    KF94 filtration standard

Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).