Sealed M40B Military-Spec Gas Mask 40mm NATO CBRN Approved NIB Size Small
3M True US-Mil-Spec FR-M40-10 Small Chem-Bio/NBC Protective Gas Mask Brand New - 3M Factory Sealed Box - CBRN Approved In USA The M-40 Full Facepiece has been used for years by U.S. Armed Forces all…