- 95% filter efficiency level effective against all particulate aerosols; time use restrictions may apply
- Exhalation valve for easy breathing
- Lightweight construction for greater comfort
- Maintenance-free construction
- Adjustable nose bridge with foam strip to reduce the potential for eyewear to fog
- Latex-free stapled fixed head strap
- 10 masks per box / Also sold individually
*The 8621 has a valve and the 8620 does not.