2024-10-25 UTC
# 
[0x3b0b] The next best fit I've gotten is from one of my elastomeric masks - one that I had to modify to make it filter in both directions - followed by a surgical mask with a brace to keep it off my mouth and a harness to make it seal, although that one's not good for situations where I'll be taking it off and putting it back on. Then KF94, then the N95 with the same horizontal (fish-type) tri-fold as the KF94, then my other elastomeric masks, then...