N95

Translingual Etymology mul en N95. Noun A en filtration type that efficiently filters out 95% of airborne en particulates of 0.3 en micron microns μm (and all larger particles), but which is not resistant to oils. By extension, filtration en standard of 95% of airborne particulates. A en filter implementing the N95 standard. Synonyms 95% filtration mul P2 from EN 143 standard instead of NIOSH 94% filtration Coordinate terms mul P1, mul P2, mul P3 mul FFP1, mul FFP2, mul FFP3 Related terms mul R95, mul P95 mul R99, mul P99, mul N99 mul R100, mul P100, mul N100 English Etymology en Not resistant to oil particles with 95% filtration efficiency in en NIOSH air filtration ratings. Noun ~ mul N95; en NIOSH N95. en uncountable The N95 standard. en David Leonhardt Maskless Flying w:The New York Times https://www.nytimes.com/2022/04/22/briefing/mask-mandate-covid-spread.html 2022-04-22 “One-way masking works,” Dr. Amesh Adalja, an infectious-disease specialist at Johns Hopkins University, said. When he is treating tuberculosis patients, they are typically maskless, and he wears an N95 mask to protect himself. https://web.archive.org/web/20250716220441/https://www.nytimes.com/2022/04/22/briefing/mask-mandate-covid-spread.html 16 July 2025 en countable An N95 filter. 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 R99, en P99, en N99 99% filtration en R100, en P100, en N100 99.97% filtration Related terms en R95 oil-resistant filter standard en P95 oil-proof filter standard See also en HEPA en ULPA en KF94 en KN95 Further reading simple