1. gas mask(Silica Gel mask) . 2.ISO9001,CEcertificate,GB2890-1995 3.supply sample. 4.Enlarging the field of vision 802 901 903 service life(min)ExhalationOil mist penetration coefficientInhalation resistance,dapaTotal field of visionBinocular visual fieldTotal weightPacking>30min,CNCI:1.5mg/l,30l/min,Φ:80%≤100pa≤0.005%≤98pa≥75%≥60%<780gCarton box 3.Protection against objects(examples) 3.1 .First ...