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Key terms: filter mask respirator cbrn particles protective particulate vapors mechanical cartridge wearer remove niosh breathing scba exhaled toxic apr charcoal fumes smoke respiratory haslett chlorine regulator disposable filter material positive pressure through the filter type of respirator activated environments tyndall compressed air aper s mask absorption interception gases mechanical filter volatile wool air flow fiber hepa diffusion patented air purifying contaminants valves Search external links cited by footnotes on Wikipedia page Respirator: |
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