Genuine South Korean CBRN K3 Full Face Gas Mask Respirator & One CBRN Filter. Description: The South Korean K3 Gas Mask is a cutting-edge military-grade respirator designed to provide unparalleled protection against a wide spectrum of threats. Engineered for comfort and effectiveness, this gas mask is a crucial asset for defense personnel, first responders, and individuals preparing for emergency situations. Sealed in foil packaging. The K3 is only made in one size and is compatible with most users. About the K3 Gas Mask. Advanced Defense: The K3 Gas Mask offers advanced defense against chemical, biological, and radioactive hazards, ensuring safety in diverse environments. Enhanced Comfort: Designed with ergonomic considerations, the mask ensures a secure fit and comfortable wearing experience for extended periods. Incudes antifogging technology and 6-point fire retardant adjustable mesh head harness. The field of vision is 75% and weight is 1.14 lbs. Clear Communication: Equipped with an integrated voice diaphragm, the K3 mask enables clear and effective communication even in high-stress situations. Compatible with military helmets and communication systems. Reliable Filtration: The Chemical, Biological, Radiological and Nuclear (CBRN) filter canister, featuring activated carbon technology, effectively removes toxic impurities from the air, maintaining clean and breathable airflow. One CBRN canister is included. Thread: 40mm in accordance with NATO STANAG 4155 and EN148-1. Military-Grade Build: Trusted by the South Korean military, the K3 Gas Mask boasts a durable construction that meets rigorous mil-spec NATO quality standards. Includes impact and scratch resistant polycarbonate lens. Versatile Application & Included Hydration Port: Ideal for military personnel, law enforcement, first responders, and prepared citizens, offering comprehensive protection when it’s needed most. Integrated high flow hydration system connection port is compatible with US mil-spec Type A adapters. (Same as used on FM12, C50, M50, FM12, FM53 Gas Masks). When water flow valve is turned on the internal hydration tube repositions itself for drinking. When turned off the internal tube stows away from user’s mouth. Compatible with canteens and back worn hydration systems. Peace of Mind: Be prepared for the unexpected with the K3 Gas Mask, a dependable companion that ensures personal safety in the face of uncertain threats. Quick Deployment: The mask’s intuitive design allows for swift deployment, enabling users to respond promptly to hazardous situations. Essential Emergency Gear: A must-have addition to emergency kits, disaster supplies, and tactical gear collections, providing a critical line of defense. Trusted Performance: Backed by the reputation of South Korean military equipment, the K3 Gas Mask is a testament to reliability and performance. Certification: NATO Triptych D103, assessed by TNO, Holland. Please see attached performance specs. The importance of Butyl rubber on the K3 military gas mask. Butyl rubber is commonly used in military gas masks due to its exceptional properties that make it well-suited for providing a secure and reliable seal in various challenging conditions. Chemical Resistance: Butyl rubber is highly resistant to a wide range of chemicals, including many hazardous and toxic substances that military personnel may encounter in warfare or other hazardous environments. Impermeability: Butyl rubber has low permeability to gases and liquids, making it an effective barrier against chemical agents and other contaminants that could compromise the integrity of the gas mask seal. Flexibility and Elasticity: It is flexible and elastic, allowing it to conform well to different face shapes and sizes, ensuring a snug and secure fit for various individuals. Temperature Resistance: Butyl rubber remains effective over a wide temperature range, from extreme cold to high heat, making it suitable for various operational environments. Durability: The rubber exhibits good resistance to aging, weathering, and degradation from exposure to sunlight, which is crucial for the longevity of gas masks that might be stored for extended periods. Sealing Properties: The combination of elasticity and low permeability in butyl rubber ensures an airtight seal between the gas mask and the wearer’s face, preventing any leakage of contaminated air. Compatibility: Butyl rubber is compatible with a variety of materials used in gas mask construction, including plastics, metals, and other rubber components. Considering the potentially life-threatening situations military personnel might face, the use of butyl rubber in gas masks helps ensure a reliable and effective seal, minimizing the risk of exposure to harmful agents and enhancing overall safety.