White Medical ASTM Level 3 Disposable Masks | 50 pack
Filtrolife Masks
ASTM Level 3
- Better Filtration: providing you best in class filtration
- Particulate Filtration Efficiency (P.F.E) ≥ 98% at 0.1 microns - PM0.1
- Bacterial Filtration Efficiency (B.F.E) ≥ 98% at 3.0 microns
