3M 2138 P3 Organic-Ozone Gas/Vapor Filter (1 Pair/Set) 3M 2138 P3 Filter, which can be easily attached to compatible 3M masks, provides protection against dust, fog, organic-ozone gas and vapor. P3: Provides protection against dusts with a MAK (maximum permissible concentration) value less than 0.1 mg/m3, toxic, carcinogenic and radioactive dusts. General features Filter Code: P3R Filter Type: Particulate Filter Protected Substances: Dust, fog, organic-ozone gas and vapor Conformity Norm: EN 143: 2000 / CE Packaged airtight
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