12 Best Masks for Smoke Reviewed and Rated in 2020 - EDC Mag
Dec 03, 2020·The filters used in smoke masks are usually made up of fine plastic strands that are pressed onto a fine screen mesh. This creates a complex, irregular netting pattern. The manufacturers then take these screens and form them into face masks. Some face masks are reusable. You just replace the filter inserts when they are full.