MSA 7-1293-3 Full Face Gas Mask Respirator Field Mask Large Size. The item “MSA 7-1293-3 Full Face Gas Mask Respirator Field Mask Large Size” is in sale since Friday, November 27, 2020. This item is in the category “Collectibles\Militaria\Surplus\Personal, Field Gear\Gas Masks”. The seller is “sherif_latino” and is located in East Brunswick, New Jersey. This item can be shipped to United States.