Product Description Type dust mask material non-woven fabric weight 10/piece (g)Packaging method independent packaging mask style ear-hanging breathing valve device noProtection level KN95 filtering effect >= 95 implement standard GB2626-2006Functional decoration, haze prevention, dust prevention, bacteria prevention and formaldehyde prevention application scope industrial number KN95Series 013 wearing method ear hanging type order number 013Breathing valve no folding mode no nose clip nose bridge clipGas and Steam protection protection gas and steam types protection oily particles protectionSpecial Industry Industrial Color White specification2pcs/bag