... mask Packing: 20pcs/box, 400pcs/ctn, ctn size: 52*44*28cm, G./N.W.: 7KGS Air flow 85±2Lmin Printing Logo:EN149:2001 FFP2 ... CE 01941, soft fabric, cut uniform, wear comfortable 2, pleasing in appearance 3, rubber band, moderate-intensity 4, filtration ... efficiency, low resistance.Three-materialmanufacturing,high-filtration strong electrostatic filter layer,effective filtrationof solid ...