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  2. ResMed - Wikipedia

    en.wikipedia.org/wiki/ResMed

    ResMed Inc. is an American medical equipment company based in San Diego, California.It primarily provides cloud-connectable medical devices for the treatment of sleep apnea (such as CPAP devices and masks), chronic obstructive pulmonary disease (COPD), and other respiratory conditions.

  3. 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.

  4. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    A surgical mask may not block all particles, due to the lack of fit between the surface of the face mask and the face. [46] The filtration efficiency of a surgical mask ranges between 10% and 90% for any given manufacturer, when measured using tests required for NIOSH certification.

  5. The 10 Best N95 Masks on Amazon, Plus 4 Top-Rated KN95s - AOL

    www.aol.com/lifestyle/10-best-n95-masks-amazon...

    Most Comfortable KN95 Mask: Good Mask Co. KN95 Face Mask. RELATED: The 10 Best Places to Buy N95 and KN95 Face Masks Online in 2022. 1. Kimberly-Clark N95 Respirator.

  6. Emergency oxygen system - Wikipedia

    en.wikipedia.org/wiki/Emergency_oxygen_system

    Most commercial aircraft that operate at high flight altitudes are pressurized at a maximum cabin altitude of approximately 8,000 feet. On most pressurized aircraft, if cabin pressurization is lost when the aircraft is flying at an altitude above 4,267 m (14,000 feet), compartments containing the oxygen masks will open automatically, either above or in front of the passenger and crew seats ...

  7. Venturi mask - Wikipedia

    en.wikipedia.org/wiki/Venturi_mask

    The venturi mask, also known as an air-entrainment mask, is a medical device to deliver a known oxygen concentration to patients on controlled oxygen therapy. [ 1 ] [ 2 ] The mask was invented by Moran Campbell at McMaster University Medical School as a replacement for intermittent oxygen treatment.

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