Preparing for the worst case scenario has been a part of NATO civilian defense strategy since day one. Made to NATO specifications, and designed to provide 8-12 hours of protection in the event of a Nuclear, Biological or Chemical attacka |depending on levels of contamination, of course. These are fresh, new Filters but we are offering them here for collectible use only. Pair one with any Swiss, US, Israeli and other NATO 40mm thread gas mask in your military collection. NBC (Nuclear, Biological, Chemical) Emergency civilian model Type 80, 40mm Fits any gas mask with a 40mm thread 4.5 inch diameter Note: Styles vary, no choice Note: For collectible use only
