Features Specifications:Sell N95 Dust mask, safety mask, face mask, respirator  According to USA NIOSH --N95 certificate, the filter efficiency 95%. The TC No. is 84A-4393 ; Three layers, each layer is made of soft Polypropylene (P.P.) inner layer, reduce the fiber drops and increase the wearing comfort. The filter layer is made of high efficient melt blown web which resists dust and oil-free particle. The folding design is suitable to taken.Cool latex-free cloth head straps for comfortable wearing. Suitable to textile, mining, construction, electronic, food processing, cement, disintegration, agriculture, farm garden, glass, cleaning, etc. workshops.