4 ms·
Okay working on this now.. thanks for the suggestion. I should note that even N95 is extremely effected by fit. I've gotten as low as 80% filtration on a flat-f
by lloydarmbrust 5y ago
Okay working on this now.. thanks for the suggestion. I should note that even N95 is extremely effected by fit. I've gotten as low as 80% filtration on a flat-fold N95.