KN95 Face Masks

'The China KN95, AS/NZ P2, Korea 1st Class and Japan DS FFRS may be reasonably considered equivalent to the US NIOSH N95 Respirators, for filtering non-oil based particles such as those resulting from wildfires, PM 2.5 air pollution, volcanic eruptions and bioaerosols (viruses).'

Ref: A Comparison of P2, FFP2, KN95, and N95 and other Filtering Facepiece Respirator classes.