● Lim ib nrab daim npog qhov ncauj
● Khoom qauv: YQD 9501V FFP2 NR
● Keeb kwm: Shanghai, Suav teb
● Khoom Piav Qhia: particle tiv thaiv lim npog-tso pov tseg FFP2 plua plav folding daim npog qhov ncauj.
● Cov khoom siv tseem ceeb: Electrostatic electret melt-blown non-woven fabric
● Tus Qauv Ua Haujlwm: En149: 2001 + A1: 2009
● Xim: Dawb (Random nas clip xim)
● Khoom nta: Folded hom nrog exhalation valve
● Packing kom muaj nuj nqis: 20 pcs./box