5 ms·

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/ https:/

by 04rob 5y ago

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

NDizzle 5y ago
0 to 10mm!? Some study. That’s barely a beard. Loses 40% effectivenes at 10mm.
- goodside 5y ago
  No, that's the figure for KF94 and KN95 masks. For N95s it's only about a 20% loss of FFE.