Table 1

Comparison of different international FFR standards

CountryMask standardsFilter efficiencySodium chloride aerosol testedParaffin oil aerosol testedRespirator standard on passing
Australia and New ZealandAS/NZS 171694%P2
USANIOSH95%N95
EuropeEN94%FFP2
  • AS/NZS, Standards Australia and Standards New Zealand; FFR, filtering facepiece respirator; NIOSH, National Institute for Occupational Safety and Health.