PM2.5 N95 Respirator Masks Dust Mask Anti Pollution Mask 5 ...
Washable Reusable Masks with replaceable filters.Package included:1 x Cotton masks(One size,Unisex),4 x PM2.5 filter. Filters air down to 1.0 micron to help to protect against most types of dust, pollen, mold spores, pet hair & dander, various bacterial allergens, and airborne effluents that can contain cold and flu germs.