Avon M50 gas mask respirator

Pristine condition, issued never used. - The M50 series is certified to MIL-SPEC PRF-EA-10003. The mask design features improve performance against chemical and biological agents, toxic industrial chemicals, and nuclear fallout. The dual, low profile filters reduce weight and bulk while reducing breathing resistance by fifty percent. The filters incorporate a shelf-life indicator patch which changes colors from white to blue when the filters are no longer serviceable. The mask face blank incorporates self sealing filter mounts that allow for filter changes in a contaminated environment. The single element eye lens gives the mask a 96 degree field of view and improved compatibility with military equipment and battlefield optical systems. The drinking system of the mask allows for greater liquid flow however, is not compatible with previous drinking systems.