3M9002V Folding Head Dust Mask nrog ua pa Valve

3M9002V foldable tiv thaiv daim npog qhov ncauj nrog valve feem ntau tau txais Tuam Tshoj's la ntawv pov thawj thiab ua tau raws li qhov yuav tsum tau ntawm peb lub teb chaws tus qauv GB2626-2006KN90. Electrostatic lim paj rwb muab kev tiv thaiv zoo tshaj plaws tiv thaiv plua plav thiab cov khoom me me, thiab nws cov nyhuv lim dej ntawm cov khoom tsis muaj roj thiab hmoov av ntau dua 90 feem pua. Nrog exhalation valve, haum rau lub sij hawm ntev hnav nyob rau hauv kub thiab av noo ib puag ncig. Feem ntau siv rau kev tiv thaiv plua plav ntawm cov khoom thaum lub sij hawm xuab zeb cua daj cua dub, kev tu txhua hnub, pleev xim, ua cov ntoo, cov khoom siv, sib tsoo thiab lwm yam haujlwm.