U.S. Military Surplus Gas Mask Filter in Can New

Fresh U.S. Gas Mask Filter, still sealed in the original can. Originally manufactured as part of Cold War preparations for potential military conflict. Now out of long-term storage and ready for re-assignment to your military collection. U.S. M11 Gas Mask Filter (for M9/M9A1 Mask) Packed in sealed "spam" style metal can For collectible use only, not intended for safety purposes