Description Standards: GB2626-2006 EN149:2001 A1:2009 Validity Period: Three Years. Contraindication: Not Suitable for direct contact with wounds. Description: This product is made of four layers including materials of non-woven fabric, melt-blown fabric. Masks are disposable and cannot be washed. Intended Use: It is used for adults daily protection. Not suitable for toxic gas environments and medical use. This protective mask cannot generate oxygen and should not be used in hypoxic environments. Not for use if breathing is impeded or unsteady, or during sleep. Please use mask correctly to avoid serious consequences caused by improper use.
