Size:15.5*10.5cm Stock:Yes Shelf Life:2 years Safety standard:GB2626-2006 Instrument classification:Class II Material:PP, PP+Melt-blown Fabric+PP Applicable People:Adult Filter Rating:98% Quality Certification:CE Standard:EN14683 Type IIR Product name:IIR Nose Medical Facemask Type:Folding Particulate Protective Mask Certificate:CE/ISO/EN14683 Feature:BFE 98 % PFE 98% Properties:IIR Medical Respirator Packing:10pcs/bag Application:Safety Protection OEM & ODM:Customization Service Provided