Material : Quality PP nonwoven + Activated carbon + Efficient MB filter + Quality PP nonwoven
Size : Adult type 17.5 ×9.5 cm(four or five layers)
Color : Grey, blue, pink, green, black
Style : Earloop, flexible nose clip
Package : 1 pc/bag pr 50 pcs/bag; 50 pcs/box, or as requested
Features : Bacterial Filtration Efficiency(BFE) ≥ 95%, effective prevent against particulate matters or Bacteria, and eliminate harmful gases or peculiar smell.It can be wildly used in medical and health treatment, laboratory , electronic industry, food service, chemical industry, beauty service, cleaning and maintaining service, etc.