Oxygen mask flight of fighter pilots of the Russian Air Force "KM-35i". FOR SALE ONLY OXYGEN MASK!! The item "OXYGEN MASK PILOT KM-35 FOR ZSH-7 FLIGHT HELMET. RARE" is in sale since Thursday, March 28, 2019. This item is in the category "Collectibles\Militaria\Militaria (Date Unknown)\Air Force".The seller is "aviator-man" and is located in Moscow, . This item can be shipped worldwide.