Lightweight Dust Masks. Great for nuisance dusts such as: sawdust, gypsum, limestone, calcium silicate, pollen and many other light nontoxic dusts.

Note: This product does not provide respiratory protection. Do not use against toxic dusts, fumes, mists, gases and vapors, such as asbestos, silica, cotton dust or in spray painting. For harmful substances, use NIOSH approved respirators from 3M or Moldex.