Draeger military NBC mask. Standard military issue, used around the world. Uses standard NATO Nuclear-Biological-Chemical screw-in filters. These masks are highly sought-after and difficult to obtain. Filters can easily be changed in less than 15 seconds. Goes on quickly and quickly obtains a good seal. (Cannot be used with male facial hair.) Filter attaches to front of mask or to belt with optional filter hose. Also comes with a hard carrying case. Includes one NBC filter. New surplus condition.