50pcs/boxes,40 boxes/cnt, or by client's request
Shanghai or Wuhan or others
1.Naturally contoured shape for comfort.
2.Large filter area allows for cool, easy breathing.
3.Fiberglass free, odorless, non-irritating to the skin.
4.It is widely used in medical-health departments, food industry and personal health, particularly for cement factories, food powder factories and textile factories for personal protection against air pollution. This mask also has best effect for protection wind.