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MIRA Safety  |  SKU: MIRA-NBC17SOF

MIRA Safety - NBC-17 SOF CBRN Gas Mask Filter 40mm

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Description

10-year shelf life provides long-term reliability and cost savings on replacements.

Certified for comprehensive protection against a wide range of chemical, biological, radiological, and nuclear threats.

Used by military personnel, CBRN specialists, and special operations forces globally, ensuring trusted performance.

The NBC-17 SOF 40mm gas mask filter canister, in combination with a full-face mask, mouthpiece assembly, TAPR, or PAPR, reliably protects air passages against a wide range of harmful substances including CBRN agents.

The filters are produced with standard round threads according to STANAG 4155 (EN 148-1)- Rd 40x1/7". The filter components are made of hard plastic, resulting in a very robust product that is extremely durable against shock and impact damage in operational use.

IMPORTANT NOTE:

Due to the shorter threads, the NBC-17 SOF Filter is NOT compatible with the MB-90 PAPR unit.

NBC-17 SOF GAS MASK FILTER KEY FEATURES:

  • Compatible with standard 40mm NATO threaded respirators, which are widely available.
  • 10-year shelf life - save money long-term by not having to replace your filters every year.
  • Used by military personnel, CBRN specialists, and special operations forces all over the world.
  • Rated for A2B1E1K1P3 D R.
  • Certified by European agencies and has the “CE” symbol. Compliant under EN 14387+A1.

Technical Data

Technical Data Breathing Resistance in Pa
Diameter 90 mm @ flow rate 30l/min. EN 1) NBC-17 SOF 260 <200 @ flow rate 95l/min. EN 1) NBC-17 SOF 980 <800
Height 85 mm
Weight 205 g ±5%
Storage time 10 years (factory sealed)

 

Type and Class Particle filter efficiency @ flow rate 95l/m

A2 - organic gases and vapors P3 - particles Sodium Chloride NaCl (S) Paraffin oil (L) EN 99.95 99.95 NBC-17 SOF >99.999 >99.999
B1 - inorganic gases and vapors D- dust
E1 - acid gases and vapors R- reusable
K1 - ammonia and amines R- reusable

 

NBC-17 SOF GAS MASK FILTER APPLICATION:

The filter provides reliable protection against solid and liquid aerosols, smoke-producing substances, radioactive particles, bacteria, viruses, vapors of organic and inorganic acids, hydroxides, organic solvents with a boiling point above 65°C, ammonia, amines, acid gases, agricultural chemical combustion products, tear-producing agents, irritants, choking agents, blister and nerve agents, (e.g., bromoacetone, CS substance, organic compounds of arsenic, phosgene, hydrogen cyanide, cyanogen chloride, mustard gas, organophosphates) – sarin, IVA, VX and other toxic substances, (e.g., benzene, toluene, vinyl chloride, fluorine, hydrogen fluoride, sulphur oxides, phosgene, phosphoric acid and its organic derivatives, chloroacetic acid, nitric acid, aldehydes, mixtures of inorganic acids and organic substances).

Gas Mask Filter Lifetime:

Breakthrough time of a gas mask filter is tested according to EN 14387+A1 at humidity 70% and flow rate 30 l/min. The approximate lifetime (usage time) of a filter may be calculated by comparing the concentration at the workplace and the minimum Dynamic Adsorption Capacity (DAC) for the filter.

Gas Mask Filter Storage and Maintenance:

Each NBC-17 SOF gas mask filter is sealed in a plastic bag by the manufacturer. Store the filters unopened in a clean place at even temperature, most appropriate at -5 to +30°C and relative humidity below 80%. Sealed filters tolerate conditions of -30 to +50°C and RH below 95%. Do not try to regenerate the filters. Never clean the filters with compressed air or compressed water.

Gas Mask Filter Disposal:

After use, gas mask filters are considered special refuse. Dispose of them according to current waste treatment regulations. Dismantle from the respirator and dispose of as solid waste. Refer to local authority regulations for disposal advice and locations.

Testing Gas Concentration of Testing Gas Breakthrough Time in Minutes EN NBC-17 SOF DAC in Grams NBC-17 SOF
PPM MG/I
A2 Cyclohexane C₆H₁₂ 5000 17.5 35 37 19.425
B1 Chlorine Cl₂ 1000 15 20 >30 >2.700
Hydrogen Sulphide H₂S 1000 7.1 40 >60 >2.520
Hydrogen Cyanide HCN 1000 5.6 25 >60 >5.820
E1 Sulphur Dioxide SO₂ 1000 13.3 20 >30 >2.430
K1 Ammonia NH₃ 1000 3.5 40 >60 >1.260

 

Return Policy:

For MIRA Safety products, we adhere to the MIRA Safety return policy, prioritizing the safety and wellbeing of our customers above all else. Given the critical nature of the products we offer, and to ensure their integrity, we do not accept returns once items have shipped from our warehouse. This policy safeguards our customers, ensuring the PPE they receive is uncompromised and untampered.

Payment & Security

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Frequently Asked Questions

What types of threats does the NBC-17 SOF CBRN Gas Mask Filter protect against?

The effective usage time of the NBC-17 SOF filter depends on the concentration of contaminants in the environment. The filter's breakthrough time is tested under specific conditions, such as a flow rate of 30 liters per minute and 70% humidity. In practical scenarios, the filter's lifespan will vary based on these factors, and users should monitor for signs of breakthrough, such as smell or taste of contaminants. It's crucial to replace the filter immediately if any signs of breakthrough are detected to maintain safety.

How long can the NBC-17 SOF filter be used before it needs replacement?

The effective usage time of the NBC-17 SOF filter depends on the concentration of contaminants in the environment. The filter's breakthrough time is tested under specific conditions, such as a flow rate of 30 liters per minute and 70% humidity. In practical scenarios, the filter's lifespan will vary based on these factors, and users should monitor for signs of breakthrough, such as smell or taste of contaminants. It's crucial to replace the filter immediately if any signs of breakthrough are detected to maintain safety.

Is the NBC-17 SOF filter compatible with all 40mm gas masks?

The NBC-17 SOF filter is compatible with most 40mm NATO threaded gas masks, as it follows the standard round thread specifications. However, it is not compatible with the MB-90 PAPR unit due to its shorter threads. Users should verify compatibility with their specific gas mask model to ensure a secure and effective seal. For more information on compatible gas masks, visit our Gas Masks collection.

What is the shelf life of the NBC-17 SOF filter and how should it be stored?

The NBC-17 SOF filter has a shelf life of 10 years when stored properly. It should be kept in its factory-sealed packaging in a clean, temperature-controlled environment, ideally between -5 to +30°C with a relative humidity below 80%. Sealed filters can tolerate more extreme conditions temporarily, but prolonged exposure to high temperatures or humidity can reduce their effectiveness.

Can the NBC-17 SOF filter be regenerated or cleaned for reuse?

No, the NBC-17 SOF filter cannot be regenerated or cleaned for reuse. Attempting to clean the filter with compressed air or water can damage its structure and compromise its protective capabilities. Once the filter has reached its breakthrough point or has been used in a contaminated environment, it should be disposed of according to local regulations for hazardous waste.

What are the dimensions and weight of the NBC-17 SOF filter?

The NBC-17 SOF filter measures 90 mm in diameter and 85 mm in height. It weighs approximately 205 grams, with a tolerance of ±5%. These dimensions make it a compact and lightweight option for personal protective equipment, suitable for use in a variety of emergency preparedness scenarios.

How should the NBC-17 SOF filter be disposed of after use?

After use, the NBC-17 SOF filter should be considered special refuse and disposed of according to local waste treatment regulations. It should be dismantled from the respirator and treated as solid waste. Users should consult with local authorities for specific disposal advice and locations to ensure compliance with environmental and safety regulations.

What makes the NBC-17 SOF filter suitable for military and CBRN specialists?

The NBC-17 SOF filter is used by military personnel and CBRN specialists due to its robust construction and comprehensive protection against a wide range of threats. Its hard plastic components offer durability against shock and impact, making it reliable in operational use. Additionally, its certification under EN 14387+A1 and CE marking ensure it meets stringent safety standards required for professional use.

What are the breathing resistance specifications of the NBC-17 SOF filter?

The NBC-17 SOF filter has a breathing resistance of less than 200 Pa at a flow rate of 30 liters per minute and less than 800 Pa at a flow rate of 95 liters per minute. These specifications ensure that the filter provides effective protection while maintaining a manageable breathing effort for the user. This balance is crucial for long-term use in high-stress environments.

How does the NBC-17 SOF filter fit into a comprehensive emergency preparedness plan?

The NBC-17 SOF filter is an essential component of a comprehensive emergency preparedness plan, particularly for scenarios involving CBRN threats. When paired with a compatible gas mask, it offers critical protection against airborne hazards. It is especially valuable in urban settings where chemical spills or terrorist attacks might occur. To further enhance your preparedness, consider integrating this filter into a broader strategy that includes other protective gear and emergency supplies, as outlined in our chemical protection guide.