... : Non-woven highly efficient low resistance 3 Ply High Filtration Dust Mask-Soft, lightweight-Hygienic, Non-irritating to skin, Odorless, and ... micron particles against nuisance organic acid vapors-Factory price, superior quality-OEM production acceptable -Applications: Suited to many kinds of ... , carving, heavy metal pollution, gardening, glass industry and etc. High Filtration Dust Mask