MIRA Safety CBRN NBC-77 SOF 40mm Gas Mask Filter


Main Features:

  • Filters all known CBRN agents, including radioactive iodine
  • For use with standard 40mm NATO threaded respirators and PAPR
  • 20-year shelf life
  • Used by military personnel, HAZMAT CBRN specialists, and global special operations forces
  • Certified by European agencies using the standard “CE” symbol. Compliant under EN 14387:2004 + A1:2008


The MIRA Safety CBRN NBC-77 filters fit NATO-standard 40mm filter threads and are compatible with both the CM-7M and CM-6M gas masks found on our website.  Specifically, they use standard round threads according to STANAG 4155 (EN 148- 1) – Rd 40×1/7″ or GOST 8762-75 (40x4mm).  This allows them to be used with other compatible full-faced masks, mouthpiece assemblies, or PAPR.  They have a shelf-life of up to 20 years when kept in their original sealed condition.

In conjunction with compliant masks or respirators, the NBC-77 SOF filter are certified to protect against a wide range of harmful and toxic substances including all known CBRN agents.  A partial list of harmful substances includes: solid and liquid particles, pepper spray (OC), smoke-producing substances, radioactive particles, bacteria and rickettsia, fungi, toxins, viruses, riot control agents (lachrymators, sternutators, vomiting agents), blister agents (vesicants), choking agents, blood agents, nerve agents, incapacitants, herbicides, pesticides, and TIC, such as bromoacetone, CS, CR, CN, CNC, CNS, CA substances, organic compounds of arsenic – diphenyldichlorarsine – CLARK I (DA), diphenylcyanoarsine – CLARK II (DC), adamsite (DM), diphenyldichlorarsine (DA), ethyldichlorarsine (ED), methyldichlorarsine (MD), mustard gas (H), sulphur mustard gas (HD), T-mustard gas, Q-mustard gas, nitrogen mustard gases (HN1, HN2, HN3), lewisite (L), mixed mustard gas (H-L), phosgene oxime (CX), phosgene (CG), diphosgene(DP), chloropicrin (PS), hydrogen cyanide (AC), cyanogen chloride (CK), arsine (SA), G-agents: sarin (GB), cyclosarin (GF), soman (GD), tabun (GA), IVA (GV), V-agents: VX, VR, VE, VG (amiton), VM and toxic industrial chemicals such as: fumes of organic or inorganic acids, hydroxides, organic solvents with a boiling point above 65° C, ammonia, amines, inorganic and acid gases, agricultural chemical combustion gases, other toxic substances, e.g. benzene, toluene, vinyl chloride, fluorine, hydrogen fluoride, sulphur oxides, chloroacetic acid, aldehydes, mixtures of inorganic acids, and organic substances, mercury vapors, radioactive iodine, organic compounds of iodine (Iodomethane, 129, 131), radioactive particles, etc.

For a complete list of technical specifications, certifications, and usage lifetime, please download the linked PDF brochure: NBC-77-SOF-Brochure-Compressed-WF

*Filter is shown attached to a gas mask.  Gas mask not included.


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