MIRA Safety CM6 Gas Mask 40mm Respirator Vintage. The item “MIRA Safety CM6 Gas Mask 40mm Respirator Vintage” is in sale since Thursday, July 29, 2021. This item is in the category “Collectibles\Militaria\Surplus\Personal, Field Gear\Gas Masks”. The seller is “pixelproductions100″ and is located in Sugarloaf, Pennsylvania. This item can be shipped to United States.