News for hackers. Stuff that matters.
Re:Ready for an N95? Here's how to find a high-quality one t... by 04rob on Saturday January 15, 2022 @10:32PM (#29953003)
This has been studied. A beard does compromise the seal, but to a lesser extent on n95s than in other masks:

https://pubmed.ncbi.nlm.nih.gov/34006963/

Re:Ready for an N95? Here's how to find a high-quality one t... by NDizzle on Saturday January 15, 2022 @10:53PM (#29953104)
0 to 10mm!? Some study. That’s barely a beard. Loses 40% effectivenes at 10mm.
Re:Ready for an N95? Here's how to find a high-quality one t... by goodside on Saturday January 15, 2022 @11:02PM (#29953156)
No, that's the figure for KF94 and KN95 masks. For N95s it's only about a 20% loss of FFE.