Products：active carbon mask with valve

Material：Polypropylene fabric+Melt-blown fabric+Polypropylene fabric. 4ply

                 BFE≥99%;BFE≥95%

Size:                     17.5*9.5cm(for adult use)

                     14.5*9.5cm(for children use)

Package:50pcs/bag,40bags/carton
Application :used in medical, food, electronics and other industries as health protective products, using high-grade filte layer materials, it can filter more than 95% of bacteria, dust, harmful gases, meet the exporting quality standard.
Certificate:  NELSON test   BFE> 95%
            Passed ISO9001: 2000, CE certification
            EN14683TYPE I & TYPE II, IV test