


Protective mask / gas mask model OM-90 (also children's sizes)
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ABC/CBRN gas mask, model OM-90
The OM-90 protective mask is a professional military-grade protective mask that offers comprehensive protection against chemical, biological, radiological, and nuclear (CBRN) hazards. It reliably protects the face, eyes, and respiratory tract from hazardous substances, including vapors, gases, aerosols, and biological warfare agents. Made of durable bromobutyl rubber, it meets the highest safety standards and offers high levels of comfort and functionality thanks to its optimized design.
This protective mask is one of the few models that is available in different sizes - and therefore also suitable for children or very tall people.
Areas of application:
The OM-90 is used worldwide by police, military, emergency services, and industry. Countries such as Norway, Portugal, Chile, Saudi Arabia, Turkey, and Latvia use this mask due to its high reliability.
A notice:
This mask does not come with drinking accessories or filters.
- You can find the matching filter with standard NATO thread here.
- You can find the right drinking bottle here.
- You can find the corresponding Hazmat protective suit here.
Additional Information:
- Hypoallergenic inner mask prevents fogging during intensive use.
- Tested resistance to mustard gas for up to 30 hours.
- Compatible with hydration system (water bottle sold separately) .
Features and benefits:
- Excellent protection: Resistant to the penetration of toxic and hazardous substances.
- Optimized field of view: Design developed using computer simulation that minimally restricts the user's orientation.
- Compatibility: Adaptable to military optical devices (including CLARA night vision system) and helmets.
- Durability: Impact- and scratch-resistant tempered glass for the mask goggles.
- Hydration system: Integrated device for safe fluid intake, even in contaminated environments. (Water bottle not included)
- Communication: Speech membrane for clear understanding.
- Easy decontamination: Quick and easy to clean.
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Low breathing resistance: Offers high wearing comfort with maximum protection.
Technical data:
- Filter connection: Standard 40 mm NATO thread (1/7").
- Temperature range: Reliable protection from -30 °C to +70 °C.
- Certifications: CE marked, meets EN 136:1998, Class III.
Sizes:
The OM-90 protective mask is available in three different sizes to ensure an optimal fit and maximum protection for different face shapes. The sizes are based on the distance between the wearer's chin and the bridge of the nose (X/Y value in millimeters).
Size chart for the OM-90 protective mask:
Small 132–140 mm (small face size / children)
Medium 140–148 mm (universal size)
Large 148–156 mm (large face size)
The X/Y value for determining the correct size of the OM-90 gas mask is determined by measuring the distance between two anatomical points on the face:
- Nasal (root of the nose): The highest point on the bridge of the nose where the nasal bones begin.
- Gnathion (lower edge of the chin): The lowest point on the lower edge of the chin in the midline.
Procedure for measuring the X/Y value:
- Measuring tool: Use a ruler, caliper, or tape measure with millimeter markings.
- Measurement:
- Place the measuring tool at the root of the nose .
- Measure along the midline of the face to the bottom of the chin .
- Note the measured value in millimeters.
Comparison with size chart:
Compare the measured value with the size chart of the OM-90 mask:
- 132–140 mm: Size 1 (Small)
- 140–148 mm: Size 2 (Medium, universal)
- 148–156 mm: Size 3 (Large)
What is the difference between NBC protection and CBRN?
The outdated term "NBC protection" referred to protection against atomic, biological, and chemical hazards, but did not distinguish between nuclear and radioactive threats. Today, the more precise term "CBRN protection" is used internationally, which covers chemical (C), biological (B), radiological (R), and nuclear (N) hazards.
DANGER:
The OM-90 protective mask and filter are subject to export controls and are authorized only for use in the country and by the final recipient to whom they are sold. These two products may not be resold, transferred, or otherwise disposed of in any other country, either in their original form or after being incorporated into other items, without prior authorization from the Swiss government or SECO.

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Our job is to provide you with equipment that protects and supports you in an emergency.
In a world of increasing uncertainty, it's more important than ever not to rely solely on the government, but to take responsibility for your own safety and security. That's why our goal is clear: to prepare you – with equipment that protects you when it matters most.
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