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  2. Surgical mask - Wikipedia

    en.wikipedia.org/wiki/Surgical_mask

    The Level 3 standard F2100 standard requires that these particles must be filtered out with at least 98% efficiency. Neither the European nor the ASTM standard tests performance as worn, they just test the material — the difference being the air leakage.

  3. Where to Find the Best NIOSH-Approved KN95, N95 and KF94 ...

    www.aol.com/where-best-niosh-approved-kn95...

    Surgical face masks (the pleated disposable three-ply masks used by medical professionals) are still the first line of defense to help stop the spread of the virus, but KN95, N95 and KF94...

  4. N95 respirator - Wikipedia

    en.wikipedia.org/wiki/N95_respirator

    If worn properly, a surgical mask is meant to help block large-particle droplets, splashes, sprays, or splatter that may contain viruses and bacteria. Surgical masks may also help reduce exposure of the wearer's saliva and respiratory secretions to others.

  5. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    A surgical mask is a loose-fitting, disposable device that creates a physical barrier between the mouth and nose of the wearer and potential contaminants in the immediate environment. If worn properly, a surgical mask is meant to help block large-particle droplets, splashes, sprays, or splatter that may contain viruses and bacteria. Surgical ...

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

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

    A pack of 10 industrial N95 masks found at hardware stores can be purchased for around $20 but a pack of 20 NIOSH-approved N95 respirators can cost around $29 and up. The CDC also advises ...

  7. Face masks during the COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/Face_masks_during_the...

    If worn properly, a surgical mask is meant to help block large-particle droplets, splashes, sprays, or splatter that may contain viruses and bacteria, keeping them from reaching the wearer's mouth and nose. Surgical masks may also help reduce exposure of others to the wearer's saliva and respiratory secretions.

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