KN95 masks provide better protection than ordinary protective masks. 4 layer ergonomic design firmly fits human face, providing over 95% filtration efficiency.
The Shiji masks fully comply with China’s GB2626-2006, EN 149:2001+A1:2009 standards. KN95 is equivalent to US N95, Korea KF94 and EU FFP2.
Comparisons of different standards are listed below:
source: 3M
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