Face Mask
ASTM LEVEL 1
| Low Fluid Resistance | 80 mmHg |
| Filtration Efficiency | BFE ≥ 95% PFE ≥ 95% @ 0.1 micron |
| Breathability – Delta P | 4.0 mm H2O/cm2 |
| Flame Spread | Class 1 |
ASTM LEVEL 2
| Low Fluid Resistance | 120 mmHg |
| Filtration Efficiency | BFE ≥ 98% PFE ≥ 98% @ 0.1 micron |
| Breathability – Delta P | 5.0 mm H2O/cm2 |
| Flame Spread | Class 1 |
ASTM LEVEL 3
| Low Fluid Resistance | 160 mmHg |
| Filtration Efficiency | BFE ≥ 98% PFE ≥ 98% @ 0.1 micron |
| Breathability – Delta P | 5.0 mm H2O/cm2 |
| Flame Spread | Class 1 |
