N95 mask

N95 mask
Specialty	{{#statements:P1995}}
Related items	Surgical mask, Respirator
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The N95 mask is a type of respirator that provides a high level of protection against airborne particles. It is commonly used in healthcare settings and industries where workers are exposed to particulate matter. The N95 designation means that the mask filters at least 95% of airborne particles.

Overview

N95 masks are part of a larger category of personal protective equipment (PPE) used to protect wearers from airborne particles and from liquid contaminating the face. The edges of the mask are designed to form a seal around the nose and mouth. N95 masks are regulated by the United States National Institute for Occupational Safety and Health (NIOSH), under the regulatory standard 42 CFR Part 84.

Usage

N95 masks are widely used in healthcare settings to protect against the transmission of diseases like tuberculosis and influenza, as well as more recently, the COVID-19 virus. They are also used in various industries, such as construction and manufacturing, to protect against dust and other harmful particles.

Specifications and Standards

To be classified as an N95 mask, a respirator must meet the NIOSH standards, which require the mask to filter at least 95% of airborne particles. The mask must also achieve a proper fit to ensure that air does not leak around the edges.

Fit Testing

Fit testing is crucial for the effectiveness of an N95 mask. It ensures that the mask forms a tight seal with the wearer's face, preventing air from leaking around the edges. There are two types of fit tests: qualitative and quantitative. Qualitative fit testing relies on the wearer's sensory detection of a test agent, while quantitative fit testing uses a machine to measure the actual amount of leakage into the mask.

Limitations

While N95 masks provide significant protection, they have limitations. They cannot completely eliminate the risk of illness or death and are not suitable for children or people with facial hair, which can prevent a tight seal.

See Also

• Personal protective equipment
• Surgical mask
• Respirator
• Pandemic