Protekx, N95 Respirators, Foldable Mask With Adjustable Straps and Premium Grade Silicone Seal, White, Emergency Utilization Authorized, FDA approved, Disposable, for single use only, Use to filter particles from metals, wood, minerals, coal, iron ore, cotton, pollen, flour and certain other substances, as well as liquid or non-oily particles from aerosols, NaCI filtration efficiency ≥95%, Inhalation/exhalation resistance ≤25mmH2O, NIOSH number: TC-84A-8131, Non woven fabric, melt-blown non woven fabric, silicone, Polypropylene, bulk , 1 carton, 30 boxes