NBC-77 SOF – Single 40mm Gas Mask Filter – Special Combined CBRN Respirator Filters – NATO Standard Size (40mm x 1/7) – Canister Filter Fits CBRN Gas Masks – 20 Year Shelf Life. Cbrn Filter Nbc-77 Sof. ULTIMATE: Maximize your protection. The NBC-77 SOF is a specialized 40mm gas mask CBRN filter tested for superior safety against a wide range of harmful substances, including CBRN agents, with durability and longevity that’s tough to beat. These high-performance combined filters for gasmasks offer the ultimate level of protection for you, your family, and your organization. ADVANCED: A military-grade CBRN filter. The NBC-77 SOF filter canister, combined with a full-face mask, mouthpiece assembly, or powered air-purifying respirators (PAPR), helps protect the user from known CBRN threats. This advanced 40mm filter cartridge features an A2B2E2K2HgSXP3DR reactor rated for radioactive iodine, setting it apart from other NBC/CBRN respirator filters. UNIVERSAL: NATO standard size. Engineered with a 40mm x 1/7 threading, the NBC-77 SOF multi-gas filter is compatible with your existing full-face CBRN respirator mask. These premium threaded CBRN filters for gas masks are built to comply with a wide variety of stringent international standards, including EN 14387:2004 + A1:2008, EU Health and Safety requirements. CONVENIENT: Robust durability and remarkable 20-year shelf life. Easy to stockpile and suitable for long-term storage, the NBC-77 SOF CBRN filters are safe to use until the expiration date that is marked on the filter housing. The sealed plastic canister can seamlessly fit into any emergency preparedness or survival kit and features a highly durable construction resistant to shock and impact for reliable operation and protection when you or your family need it the most. MIRA SAFETY: Trusted by professionals around the globe. We provide cutting-edge equipment and self-defense gear that meets the demands of top-tier military operators-with key engineering enhancements to make them more practical and effective on the homefront, including solutions for children and the elderly. We offer the best prices around on high quality products. Our E-store includes movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. Satisfaction of our customers with our products is our top priority, so we take care of careful packaging and protection of our products. We will respond to you within 24 hours and do our best to help you out!