Product Description Product namePM 2.5 face mask absorb odor Model9512 ( Head harness) MaterialsMeltblown, spunbond nonwovens with charcoal, elastic straps, nose nip,foam bar AccessoriesWithout valve ColorBlack StandardGB2626-2019 Package include50 x STRONG 9512 masks Packing and sizeBox size: 145*138*320mm Carton size59*34*33 KeywordsEfficiency鈮?5%, Against PM2.5 Dust Disposable Respirator KN95 Face Masks 銆怳sed for銆戯細 1. The oxygen concentration does not exceed 18%; 2. The hazard factor is less than 10; 3. Used for the protection of coal dust, cement dust, casting dust, ceramic dust and other hazards; 4. Protection for welding, casting, polishing and other positions in mining, smelting, electronics, shipbuilding, automobile and other industries. Product Features: 鈼忋€怭rovide Multi-effect Protection銆? Disposable particle filtering half mask, high breathability 5-ply disposable Non-Woven masks using standard safety materials can provide multi-effect protection. 鈼忋€怓iltration>95%銆? Filter efficiency greater than 95% tested by NPPTL, which greatly prevents unfiltered air from entering directly, could be protected from dust, small particles of air, pollen and much more and can protect you at critical moments. 鈼忋€怘ygienic & Comfortable銆? Lightweight and foldable, the 60-piece individually packaged design makes these masks easy to carry and hygienic to use. Equipped with an adjustable soft-padded nose mask and elastic ear hooks to prevent leaving marks on your face after taking it off, easy to put on and take off. 鈼忋€怳pgraded Warranty銆? Provides a three-year effective warranty, applicable to all public places such as home, school, indoor and outdoor.KN95 Mask factory website:http://www.industry-mask.com/face-shield/kn95-mask/