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

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

    Made of soft cotton, the masks have elastic ear loops and a metal strip for a snug fit over the nose. Keep in mind that wearing a mask doesn’t mean you should stop practicing known methods of ...

  3. How Much Do Masks Really Cost? From Cloth to KN95, Here ... - AOL

    www.aol.com/much-masks-really-cost-cloth...

    Cloth masks are also reusable, and the CDC recommends that you wash your cloth mask as soon as it becomes dirty either by hand or in the washing machine. One time cost: $4.00 Surgical

  4. What type of mask works best against COVID-19? Where ... - AOL

    www.aol.com/type-mask-works-best-against...

    As the omicron variant of COVID-19 has surged in Connecticut, experts say masks remain an essential tool to control the spread of the virus. At the same time, the question of which type of mask to ...

  5. 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.

  6. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    An open circuit SCBA typically has three main components: a high-pressure gas storage cylinder, (e.g., 2,216 to 5,500 psi (15,280 to 37,920 kPa), about 150 to 374 atmospheres), a pressure regulator, and a respiratory interface, which may be a mouthpiece, half mask or full-face mask, assembled and mounted on a framed carrying harness.

  7. M50 Joint Service General Purpose Mask - Wikipedia

    en.wikipedia.org/wiki/M50_joint_service_general...

    The M50 series mask entered service in December 2006. [3] [4] In July 2014, Avon Protection received a contract to supply 135,000 M50s for $33 million. [5]In March 2016, it was announced that 166,623 M50s were purchased by the Department of Defense (DOD) under a $42 million contract.