For that, you want a respirator (face mask with a small micron size filter), and you’re going to want a good seal with no facial hair.
The holes and inadequate seal of a dust mask do nothing but offer a placebo effect.
For that, you want a respirator (face mask with a small micron size filter), and you’re going to want a good seal with no facial hair.
The holes and inadequate seal of a dust mask do nothing but offer a placebo effect.