A non-rebreather mask is a special medical device that provides you with oxygen in emergencies. These masks help people who can still breathe on their own but need extra oxygen. Non-rebreather masks ...

A non-rebreather mask is a medical device that helps deliver oxygen in emergency situations. It consists of a face mask connected to a reservoir bag that’s filled with a high concentration of oxygen.

Non-rebreather masks are used to deliver oxygen therapy to people who require high-concentration oxygen but aren’t in need of breathing assistance. They’re considered low-flow oxygen delivery systems.

Flying is still statistically the safest form of transportation, but recent developments have caused us all to lose at least some of our confidence in air travel. After several high profile crashes ...