[Product description] It consists of a mask body, a nose clip and a mask band. The mask body has three layers of structure: the inner and outer layers are non-woven fabrics, and the middle layer is melt-blown fabric. Available in sterile form. [Scope of application] It is worn by clinical medical staff during invasive operation, covering the user's mouth, nose, and jaw, and providing a physical barrier to prevent direct transmission of pathogenic microorganisms, body fluids, and particulate matter
