5 ply, non-woven fabric, melt-blown BFE95 and hot air cotton, white, 2 pcs/bag, 30 pcs/box, 600pcs/carton
3 ply, non-woven, 17.5x9.5cm, with nose bar, earloops, protective from virus, bacteria, dust, etc, making your breath healthier and safer.
N9501-L, size: 16x20cm, Non-sterile, non-woven fabric + melt-blown Filter + Non-woven fabric, 6 pcs/bag, 960 pcs/ctn