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CK Filter Label Colour Coding Class 2 EN141 & EN143
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Gas Filters:
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A2
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against solvents, organic gases and vapours
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R6760
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B2
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against inorganic gases and vapours
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R6761
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E2
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against acidic gases and vapours
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R6762
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K2
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against ammonia and amine derivatives
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R6763
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AB2
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against organic and inorganic gases and vapours
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R6764
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ABEK2
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against organic and inorganic acidic gases and vapours as well as ammonia
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R6765
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Particle Filters:
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A2P3
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against airborne particles solid or liquid and bacteria
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R6766
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Combined Filters: Gas and Dust
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A2P3
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against organic gases/vapours, airborne particles and bacteria
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R6767
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B2P3
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against inorganic gases/vapours, airborne particles and bacteria
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R6768
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A2B2P3
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against organic, inorganic gases/vapours and airborne particles and bacteria
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R6769
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ABEK2P3
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against organic, inorganic gases/vapours, ammonia and airborne particles and bacteria
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R6770
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