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2. Respirator - Wikipedia

   en.wikipedia.org/wiki/Respirator

   Respirator. White, disposable cup N95 filtering facepiece respirator. A half-face elastomeric air-purifying respirator. This kind of respirator is reusable, with the filters being replaced periodically. A respirator is a device designed to protect the wearer from inhaling hazardous atmospheres including lead fumes, vapours, gases and ...

3. N95 respirator - Wikipedia

   en.wikipedia.org/wiki/N95_respirator

   An N95 respirator is a disposable filtering facepiece respirator or reusable elastomeric filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 classification of air filtration, meaning that it filters at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 micrometers [1] under 42 CFR Part 84, effective July 10, 1995. [2]

4. Respirator assigned protection factors - Wikipedia

   en.wikipedia.org/wiki/Respirator_Assigned...

   In all cases, if they employer selects a respirator with tight-fitting facepiece (full face mask, elastomeric half-mask or quarter-mask, or filtering facepiece respirator), all employee must be fit tested (to prevent the leakage of unfiltered polluted air through gaps between their faces and the tight-fitting masks, which may not match to their ...

5. Mechanical filter (respirator) - Wikipedia

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

   Mechanical filter (respirator) 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 and mouth. They come in multiple physical forms.

6. Elastomeric respirator - Wikipedia

   en.wikipedia.org/wiki/Elastomeric_respirator

   Similar mask with generic flat disk filters. Elastomeric respirators, also called reusable air-purifying respirators, [1] seal to the face with elastomeric material, which may be a natural or synthetic rubber. They are generally reusable. Full-face versions of elastomeric respirators seal better and protect the eyes.

7. Self-contained breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Self-contained_breathing...

   v. t. e. A self-contained breathing apparatus ( SCBA) is a respirator worn to provide an autonomous supply of breathable gas in an atmosphere that is immediately dangerous to life or health from a gas cylinder. [ 1] They are typically used in firefighting and industry. The term self-contained means that the SCBA is not dependent on a remote ...