Industrial respirator 1,non-woven disposable medical face mask; 2,NELSON LAB,BFE>99%; 3,CE EN 14683:2005. Industrial respirator 1, low price and high quality;2, with easy-to-use and comfortable elastic ear-loop or ties;3, different color, weight, package are available. Colorwhite /blue /green /pink/yellowSize17.5x9.5cm/14.5x9cmMaterial and weight20gPPx22gMBx25gPPStyleMedical, flat, ES purifying, ...