KN95 protective Mask
Chinese Standard KN95 protective Mask. ?5 layer,Strong nose pin, Filter efficiency -95%+ ?40% non-woven fabric ?40% melt-blown fabric ?20% Hot Air co...
Chinese Standard KN95 protective Mask. ?5 layer,Strong nose pin, Filter efficiency -95%+ ?40% non-woven fabric ?40% melt-blown fabric ?20% Hot Air co...