3 ms·
Useless? It still tells me that the US-made masks I bought from a reputable manufacturer aren't up to spec. Eliminating the ones that fail regardless of fit is
by GavinMcG 5y ago
Useless? It still tells me that the US-made masks I bought from a reputable manufacturer aren't up to spec.
Eliminating the ones that fail regardless of fit is extremely helpful.
- lloydarmbrust 5y agoExactly. We can't tell you how it will fit on your face but can tell you if the fabric fails. You need both filtration AND fit to make a good mask.
- deleted 5y ago[deleted]