And not for actual use. This is a complete mask.Please look pictures to be sure that. The item "Oxygen Mask MBU-20 Gentex Combat Edge Pilot Flight Helmet" is in sale since Tuesday, March 5, 2019. This item is in the category "Collectibles\Militaria\Surplus\Hats & Helmets". The seller is "cretanman" and is located in FPO, Armed Forces Europe, The Middle East, & . This item can be shipped worldwide.