XDX KN95 Face Masks 100 Pack, 5 Layers Breathable Comfortable KN95 Masks for Adu
5-Ply Layers of Protective Filtration – XDX 5-ply KN95 face mask is protective and high filter efficiency. Compliance & Security – Executive Standard: GB2626-2019. The filter efficiency of this KN95 mask is greater than 95% with 5 layer protection which is tested by NPPTL.