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“Beards and Masks?” by jefftk
In general, you're
not
supposed to wear a beard with a respirator mask (N95, P100, etc),
at least not in a way where you have facial hair
under
the seal:
But how much worse is the fit? A P100 with a beard is going to filter
less well than a P100 without a beard, but does it do as well as an
N95? Or is it hopelessly compromised? And is stubble as bad as a
full beard? Does length matter? In an emergency where I really need
my mask for protection should I shave?
Bottom line up front: with my rough DIY test setup I got 80%
filtration with a long beard, 92% with a short one, and 99.7% with
stubble. But see my note at the end about a weird effect I saw.
What [...]
---
First published:
January 18th, 2025
Source:
https://www.lesswrong.com/posts/r59BJeufB7FPAD54A/beards-and-masks
---
Narrated by TYPE III AUDIO.
---
Images from the article:
Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.
View all episodes
By LessWrongIn general, you're
not
supposed to wear a beard with a respirator mask (N95, P100, etc),
at least not in a way where you have facial hair
under
the seal:
But how much worse is the fit? A P100 with a beard is going to filter
less well than a P100 without a beard, but does it do as well as an
N95? Or is it hopelessly compromised? And is stubble as bad as a
full beard? Does length matter? In an emergency where I really need
my mask for protection should I shave?
Bottom line up front: with my rough DIY test setup I got 80%
filtration with a long beard, 92% with a short one, and 99.7% with
stubble. But see my note at the end about a weird effect I saw.
What [...]
---
First published:
January 18th, 2025
Source:
https://www.lesswrong.com/posts/r59BJeufB7FPAD54A/beards-and-masks
---
Narrated by TYPE III AUDIO.
---
Images from the article:
Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.
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