Chinese Standard: YY0469-2011 EU Standard: EN14683: 2019 Protective Level TypeIIR Type: Sterile Mask Style: earloop Material: Non-woven Fabric + Melt-blown fabric Ply Type: 3ply Mask Size: 175*95mm Reports ready: EC Certificate; ISO Certificate; EC Declaration of Conformity Ready (EN 14683-2019) TYPE IIR; EN 14683-2019