Meanings
Origin
From Initialism of oil-Proof with 95% filtration efficiency in NIOSH air filtration ratings.
Full word history & related roots →Cite this entry
P95. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/P95
“P95.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/P95. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “P95,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/P95.
Source: P95 on Wiktionary, CC BY-SA 4.0.