We found these random items in our warehouse. The gas mask is new with tag. The canister is still sealed with expiration date: 2016/04. We do not know much about the gas mask and the canister or if the canister fits this particular mask. Photos show the included documentation. The item “NEW SURVIVAIR OPTI-FIT GAS MASK RESPIRATOR 7730 PLUS A CBRN CANISTER” is in sale since Thursday, March 19, 2020. This item is in the category “Collectibles\Militaria\Surplus\Personal, Field Gear\Gas Masks”. The seller is “bobabeco12″ and is located in AMERICA. This item can be shipped to United States.