Approval Details
| Schedule | 84A |
| Approval Number | 6835 |
| Manufacturer | Louis M. Gerson Company, Inc. |
| Approval Date | 4/14/2014 |
| Product Line | Models 9250 and 9350 NFE Half Mask with Combination Cartridge/Filter Air Purifying Respirator |
| For Protection Against | Chlorine, Chlorine Dioxide, HS (Escape-Only), Hydrogen Chloride, Hydrogen Fluoride, P100, Sulfur Dioxide |
| Service Time (minutes) | |
| Facepiece Type | Half Mask |
| Is the respirator powered? | Non-powered |
| Number of Filters | 2 |
| Is the the filter replaceable? | No |
| Filter Location | Facepiece-mounted |
| Cartridge or Canister | Cartridge |
| Number of cartridge or canisters | 2 |
| Location of cartridge or canisters | Facepiece-mounted |
| Is the cartridge or canister replacable? | Yes |
| Self-contained breathing apparatus (SCBA) Type | |
| Supplied air respirator (SAR) Type | |
| Self-contained breathing apparatus (SCBA) Use | |
| Airflow | |
| Breathing Gas | |
| Percentage of Oxygen in Breathing Gas | |
| Regulator Location | |
| Low Temperature (Celsius) | |
| Low Temperature (Fahrenheit) | |
| Exhalation Valve? | Yes |
| Self Rescuer? | No |
| Is the approval obsolete? | No |
| Private Labels |
Libus, Buenos Aires, Argentina SteelPro, Santiago, Chile Libus, Buenos Aires, Argentina McCordick, Ontario, Canada, Models 9250, G72, (Obsolete Model 9250) Arseg, Bogota, Colombia SteelPro, Santiago, Chile |
| Model | |
| Rated Duration | |
| Cylinder pounds per square inch gauge (PSIG) | |
| Chemical, biological, radiological and nuclear (CBRN) Approval Date | |
| Comments | Model 9350 facepiece added July 2014. |
- CEL Data last Updated: December 8, 2025 1:52 PM
- Page last reviewed: December 13, 2024
- Page last updated: December 13, 2024
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Content source:
- National Institute for Occupational Safety and Health (NIOSH)
- Page maintained by: National Personal Protective Technology Laboratory