Thanks for putting some numbers to this, its really useful. I bought a couple of 3M full face respirators (3M 6800) second-hand a couple of years ago for the same reasons you cite. I think I might also buy some 3M half-face mask for my other family members like you recommend.
Thanks for putting some numbers to this, its really useful. I bought a couple of 3M full face respirators (3M 6800) second-hand a couple of years ago for the same reasons you cite. I think I might also buy some 3M half-face mask for my other family members like you recommend.