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Filter for the Vispro gas mask M3 , it is a combined filter (chemical and mechanical) against gases and vapors with a boiling point higher than 65ºC, particles, fumes, dust, mists and microorganisms with a standard connection according to the EN148-1 standard.
The 300A2P3 filter is designed for oxalic acid, if it mixes or comes into contact with one or more other products that may lead to a change in its chemical properties and the filter would not be 100% effective.
The filter should be changed no later than 6 months after opening the original packaging or when the operator notices a bad smell or taste or when he or she notices an increase in breathing resistance