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