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  2. Dust mask - Wikipedia

    en.wikipedia.org/wiki/Dust_mask

    A notable occupational use of dust masks is in farming, where dust masks are used to avoid the effects of farmer's lung, a disease caused by the inhalation of dusts from agricultural products. [1] The toxicity mainly comes from allergy to mold in the dust, which can lead to lung damage due to the immune response, [ 7 ] as opposed to an inherent ...

  3. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    These respirators are sometimes known as dust masks for their almost exclusive approval only against dust nuisances: In Europe, regulation allows for dust masks under FFP1, where 20% inward leakage is allowed, with a minimum filtration efficiency of 80%. [124] South Korea allows 20% filter leakage under KF80.

  4. Respiratory protective equipment - Wikipedia

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

    Respiratory protective equipment (RPE), also called protective breathing equipment (PBE) in the US, [1] is a form of personal protective equipment designed to protect the wearer from a variety of airborne hazards in the form of a gas, fume, mist, dust or vapour. Respirators filter the air to remove harmful particles and alongside the breathing ...

  5. CSU experts explain mask recommendations, which masks ... - AOL

    www.aol.com/news/csu-experts-explain-mask...

    John Volckens and Christian L'Orange have been testing the efficacy of masks for two years at CSU. Both experts say we should all be in N95s.

  6. N95 respirator - Wikipedia

    en.wikipedia.org/wiki/N95_respirator

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

  7. European respirator standards - Wikipedia

    en.wikipedia.org/wiki/European_respirator_standards

    R (reusable): if the filtering half-face mask can be used for more than one working day, so it is reusable. Additional suffixes include: Anti-clogging NR masks (D). When the half mask has passed the dolomite dust test, a letter D can be added to indicate that the service life may exceed 8 h. [14] Example: FFP3 NR D. Valve.