Could airlines purposely drop the emergency oxygen masks in order to protect the passengers from the covid 19 contagion? Couldn't the system be set up to pump filtered air rather than oxygen? -
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Built-ins - Aviation Oxygen Cylinders, Tanks & Assemblies - Aviation Oxygen, Aerox Oxygen, Cylinders, Masks, Portable Oxygen - Aviation Oxygen Repair, Overhaul, Maintenance | AviationOxygen.com
![Understanding Oxygen Systems in an Aircraft |Oxygen Masks| FIXED & PORTABLE Oxygen System | HYPOXIA - YouTube Understanding Oxygen Systems in an Aircraft |Oxygen Masks| FIXED & PORTABLE Oxygen System | HYPOXIA - YouTube](https://i.ytimg.com/vi/4kkCbqGDwh8/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLBvt01LvRnZK_LLvoWaPz1H8OCWug)