5 liters oxygen concentrator
Airline components parts such as b737, b747, b747, b757, b777, airbus(family) , atr, fokker, dhc8, aircraft general, air conditioning valves & actuation, auto flight, communications, electrical power, equipment & furnishings, fire protection, flights controls, fuel, hydraulic power, ice & rain protection, indicating & recording systems, landing gear actuation, lights, navigation, oxygen, pneumatic, water & waste valves, airborne auxiliary power, door actuation, engine fuel controls and fuel pumps, bleed valves and actuation, engine indicating, thrust reverser sub components