




| Test Gas Type | Test Gas Concentration in Air (ppm) | Breakthrough Concentration (ppm) | Test Gas Challenge (min.) | Effective Time (min.) |
| Acrolein | 100 | 0.5 | 40 | >40 |
| HCL | 1000 | 5 | 40 | >40 |
| HCN | 400 | 10 | 40 | >40 |
| CO | 25,005,000,750,010,000 | 200 | 40 | >40 |
The respiratory protection during escape for up to he Fire Escape Hood is designed to provide 40 minutes from smoke, carbon monoxide, acrolein, hydrogen chloride, hydrogen cyanide, and sulfur dioxide associated with fire.







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