New Old Stock in the original box. All items still unopened in bags.Mask, Filter, Manual (found inside the gas mask bag), Carry Bag, Hood, Clear Outserts & Neutral Outserts. The item "US M40 Gas Mask Manual Bag Filter Hood Outsert Lens Size Small NOS Unopened" is in sale since Friday, March 13, 2020. This item is in the category "Collectibles\Militaria\Surplus\Personal, Field Gear\Gas Masks". The seller is "wwsurplus" and is located in Shippensburg, Pennsylvania. This item can be shipped to United States.