GSR General Service Respirator gas mask pouch 2 each CBRN NBC filters NEW Sz2 Medium/Large. The item “GSR General Service Respirator gas mask pouch 2 each CBRN NBC filters Sz2 Med/Lg” is in sale since Thursday, February 27, 2020. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Personal, Field Gear\Gas Masks”. The seller is “perfettoperformance2010″ and is located in Glenview, Illinois. This item can be shipped to United States.