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  2. Chemical cartridge - Wikipedia

    en.wikipedia.org/wiki/Chemical_cartridge

    A respirator cartridge or gas mask canister is a type of filter that removes gases, volatile organic compounds (VOCs), and other vapors from the air through adsorption, absorption, or chemisorption. It is one of two basic types of filters used by air-purifying respirators. The other is a mechanical filter, which removes only particulates ...

  3. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    Half-face air-purifying respirator with combination P100 particulate filter (magenta) and organic vapor (black) cartridge. Under 42 CFR 84, chemical cartridges and gas mask canisters are defined separately.

  4. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    Air-purifying respirators range from relatively inexpensive, single-use, disposable face masks, known as filtering facepiece respirators, reusable models with replaceable cartridges called elastomeric respirators, to powered air-purifying respirators (PAPR), which use a pump or fan to constantly move air through a filter and supply purified air ...

  5. European respirator standards - Wikipedia

    en.wikipedia.org/wiki/European_respirator_standards

    EN 14683 defines respirators for use in medical settings, [4] while European standard EN 143 defines the 'P' classes of particle filters that can be attached to a face mask, which are P1, P2, and P3. The EN 143 filters are typically used on reusable respirators, like elastomeric respirators. [5] EN 14387 is the chemical cartridge standard in ...

  6. Mechanical filter (respirator) - Wikipedia

    en.wikipedia.org/wiki/Mechanical_filter_(respirator)

    Filtering half mask, reusable elastomeric respirator with pink replaceable pancake filters and grey exhalation valve Full-face elastomeric respirators seal better. [1] Mechanical filters, a part of particulate respirators, are a class of filter for air-purifying respirators that mechanically stops particulates from reaching the wearer's nose ...

  7. Respiratory protective equipment - Wikipedia

    en.wikipedia.org/wiki/Respiratory_protective...

    Cartridges and canisters of air-purifying respirators – Container that cleans pollution from air inhaled through it Gas mask – Protection from inhaling airborne pollutants and toxic gases Powered air-purifying respirator – Full-face respirator that provides filtered air to the wearer using an electric fan

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