This Swiss Army NBC Filter, model ABC 74, is an original military item produced in Switzerland for protection against nuclear, biological, and chemical (NBC) threats. It was designed for use by the Swiss Army and is a highly sought-after collectible item in the militaria category. As an original piece, it represents a piece of military history from the 1992-2001 period, showcasing the Swiss craftsmanship and technology used for defense purposes. Unissued in sealed containers