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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.
Extended or off-label use of certain negative-pressure respirators, like a filtering facepiece respirator paired with a surgical mask, [120] can result in higher levels of carbon dioxide from dead space and breathing resistance (pressure drop) which can impact functioning and sometimes can exceed the PEL.
During the COVID-19 pandemic, the mask and respirator market rapidly grew, along with counterfeit respirators. [1] NIOSH, on behalf of the Department of Health and Human Services, filed a trademark application on June 17, 2020, for various 42 CFR 84 trademarks, including the N95, allowing NIOSH to enforce rules on counterfeit masks outside of rules defined in 42 CFR 84.
Chest rub or cold rub is an aromatic topical medication applied to the chest, which is intended to assist with minor medical conditions that temporarily impair breathing, such as cough and colds. Such medications are available over-the-counter in many countries. Vicks VapoRub is perhaps the most well known example.
Vicks VapoRub ad, 1922. Vicks VapoRub is a mentholated topical ointment, part of the Vicks brand of over-the-counter medications owned by the American consumer goods company Procter & Gamble.
Some liniments have a viscosity similar to that of water; others are lotion or balm; still, others are in transdermal patches, soft solid sticks, and sprays. Liniment usually is rubbed into the skin, which the active ingredients penetrate. Liniments are typically sold to relieve pain and stiffness, such as from muscular aches and strains, and ...
The mouthpiece, however, is sometimes replaced with a face mask, similar to that used for inhaled anesthesia, for ease of use with young children or the elderly. Pediatric masks are often shaped like animals such as fish, dogs or dragons to make children less resistant to nebulizer treatments.
It also contains a M1 waterproof bag to protect filter elements from water damage. Other components attached are mask hoods to protect the head and neck area, a winterization kit to prevent frost accumulation during cold weather conditions and optical inserts for soldiers with vision defects. The M17A1 was designed with intent to allow a masked ...