CBRN Gas Mask Filter NBC-77 SOF 40mm Thread - 20 Year Shelf Life | Fits CM-6M & CM-7M Gas Mask

The CBRN Gas Mask Filter NBC-77 SOF is a highly efficient filter canister that provides reliable protection against a wide range of harmful and highly toxic substances. When used in combination with a full-face mask, mouthpiece assembly, or powered air-purifying respirator (PAPR), it effectively safeguards air passages against all known CBRN agents.

This filter is produced with standard round threads according to STANAG 4155 (EN 148-1) – Rd 40x1/7", ensuring compatibility with standard 40mm NATO threaded respirators that are widely available in the market. With a shelf life of 20 years, this filter offers significant long-term cost savings by eliminating the need for frequent replacements every 5 years.

The NBC-77 SOF filter is trusted and used by military personnel, CBRN specialists, and special operations forces worldwide. It is designed to filter all known CBRN agents, including radioactive iodine, and is rated for A2B2E2K2HgSXP3 D R. Certified by European agencies and adorned with the "CE" symbol, this filter meets the highest standards of quality and performance, complying with EN 14387:2004 + A1:2008.

The filter components are made of hard plastic, ensuring exceptional durability and protection against shock and impact damage during operational use. With a diameter of 110mm and a breathing resistance of 260 PA, this filter provides optimal respiratory performance even at high flow rates.

The NBC-77 SOF canister offers comprehensive protection against a wide range of substances, including solid and liquid particles, pepper spray, smoke-producing substances, radioactive particles, bacteria and rickettsia, fungi, toxins, viruses, riot control agents, blister agents, choking agents, blood agents, nerve agents, incapacitants, herbicides, pesticides, and toxic industrial chemicals.

Testing of the filter has proven its effectiveness in various concentrations of testing gases, including cyclohexane, chlorine, hydrogen sulphide, hydrogen cyanide, sulphur dioxide, ammonia, mercury, cyanogen chloride, chloropicrin, and phosgene.

To ensure the longevity of the filter, it is recommended to store it unopened in a clean place at a temperature ranging between -5 to +30°C, with a relative humidity below 80%. The filters can also withstand more extreme conditions of -30 to +50°C and relative humidity below 95%. When disposing of used filters, it is essential to follow current waste treatment regulations and consult local authorities for proper disposal guidelines.

The CBRN Gas Mask Filter NBC-77 SOF combines exceptional durability, compatibility, and long shelf life to provide users with reliable protection against a wide range of harmful substances. Whether used by military personnel, CBRN experts, or individuals seeking personal protection, this filter offers peace of mind and enhanced respiratory security.