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  • Half Face Masks
  • Replacement Filters
Filter Assigned Protection Factors

European Standard EN 149
FFP1
Filters at least 80% of airborne particulates
Less than 22% inward leakage
Assigned Protection Factor 4
FFP2
Filters at least 94% of airborne particulates
Less than 8% inward leakage
Assigned Protection Factor 10
FFP3
Filters at least 99% of airborne particulates
Less than 2% inward leakage
Assigned Protection Factor 20

European Standard EN 143
P1 filters at least 80% of airborne particules
P2 filters at least 94% of airborne particules
P3 filters at least 99.5% of airborne particules

European Standard EN 141
A rated Gas Filters

Colour: Brown
Organic gases and vapours with boiling point above 65 °C
A1=1000ppm
A2=5000ppm
B rated Gas Filters
Colour: Grey
Inorganic gases and vapours
B1=1000ppm
B2=5000ppm
E rated Gas Filters
Colour: Yellow
Acid gases and vapours
E1=1000ppm
E2=5000ppm
K rated Gas Filters
Colour: Green
Ammonia and its organic derivatives
K1=1000ppm
K2=5000ppm
AX rated Gas Filters
Colour: Green
Organic compounds with low boiling temperature (<65°ะก)