MIPLNI 50 PCS 4 Ply Disposable Medical Surgical Mask 4 layer BFE≥ 98% Level 3 4ply CE certified

4 Layers Surgical mask(Not Sterile) Instruction for Use [ Storage conditions ) The product shall be stored in a well ventilated room with relative humidity no more than 80% and no corrosive substances. CE ( Product Name] Surgical mask(Not Sterile) Standard: ASTM F2100 Level 3,EN14683:2019 Type lIR ( Mode) YK-244 [Type specification) Flat ear hook type ( Size) 17.5x9.5cm [Structural composition) This product consists of cloth, nose clip and mask belt. The mask cloth and mask belt are made of nonwovens (the ear hanging mask belt is made of elastic belt), the nose clip is made of bendable plastic material, without ethylene oxide sterilization ( Intended use) The disposable surgical face mask is intended to be worn to protect both the patient and healthcare personnel from transfer of microorganisms, body fluids and particulate material. (It can not be used in places with strict microbiological control requirements such as intensive care room and operating room) ( Contraindications] It