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  2. 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.

  3. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    Filtering facepieces are typically simple, light, single-piece, half-face masks and employ the first three mechanical filter mechanisms in the list above to remove particulates from the air stream. The most common of these is the white, disposable standard N95 variety; another type is the Surgical N95 mask. It is discarded after single use or ...

  4. Powered air-purifying respirator - Wikipedia

    en.wikipedia.org/wiki/Powered_air-purifying...

    PAPRs have low breathing resistance, unlike filtering facepiece respirators such as N95 masks. [3] A PAPR may have adjustable air flow rates for added comfort. [1] While they are often referred to as positive pressure masks, they are not true positive-pressure devices as overbreathing can overcome the pressure supplied by the fan. [4]

  5. How to Reuse Your KN95 or N95 Mask Safely - AOL

    www.aol.com/lifestyle/reuse-kn95-n95-mask-safely...

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  6. Stock up on KN95s after the updated CDC guidelines ... - AOL

    www.aol.com/lifestyle/stock-kn95s-updated-cdc...

    Shop it: N95 Mask Co. KN95 Face Mask, 50-Pack, $130 (was $150), n95maskco.com. The reviews quoted above reflect the most recent versions at the time of publication. Read More from Yahoo Lifestyle:

  7. Respirator assigned protection factors - Wikipedia

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

    The respiratory protective devices (RPD) can protect workers only if their protective properties are adequate to the conditions in the workplace.Therefore, specialists have developed criteria for the selection of proper, adequate respirators, including the Assigned Protection Factors (APF) - the decrease of the concentration of harmful substances in the inhaled air, which (is expected) to be ...

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