What is an N95 respirator mask?

  • The most commonly used medical respirator for respiratory protection [1]
  • In demand by healthcare providers and professionals [1]
  • Some N95 masks have an exhalation valve [2]
    • The exhalation valve only filters particles being inhaled not exhaled [2]
  • Made of electrostatic non-woven polypropylene fiber [1]
  • Airtight seal designed to prevent facial exposure to microscopic airborne particles [2]

Filters 95% of airborne particles that are 0.3 microns in size [2]

 

References

  1. Ciocan C, Clari M, Fabbro D, De Piano ML, Garzaro G, Godono A, Gullino A, Romano C. Impact of wearing a surgical mask on respiratory function in view of a  widespread use during COVID-19 outbreak. A case-series study: Respiratory Protective Devices fitness for use.
  2. Kyung SY, Kim Y, Hwang H, Park JW, Jeong SH. Risks of N95 Face Mask Use in Subjects With COPD. Respir Care. 2020 May;65(5):658-664. doi: 10.4187/respcare.06713. Epub 2020 Jan 28. PMID: 31992666.