- ASTM F2100-19 level 3 Class 1 medical grade
- Bacterial Filtration Efficiency (BFE): 99.5%
- Particulate Filtration Efficiency (PFE), 0.1 micron: 99..4%
- Mask Size: 175mm X 95mm
- Latex and fiberglass free
- Nose bridge with metal core assures a better fit
- Low breathing resistance for optimal comfort
- Brand: NLT Inc.