USGI C2 Chemical Biological Mask Canister Gas Mask Filter 40mm NATO Sealed 1990 For Sale

Up for sale is an authentic vintage 1990 contract USGI C2 chemical-biological gas mask filter canister (NSN 4240-01-119-2315). This metal canister features standard 40mm NATO threading, making it compatible with M40, MCU-2/P, and other standard 40mm respirator systems. It is in unopened, sealed military surplus condition showing light exterior storage scuffs on the metal tin. Please note that this is expired vintage military surplus sold strictly as a collectible, movie/costume prop, or display piece, and is not certified or intended for live safety or respiratory protection.