If you've ever been on a flight, you've heard about the oxygen masks that may drop down, but did you know they only have a ...

A simple face mask is usually used to deliver a low to moderate amount of oxygen. A simple mask contains holes on the sides to let exhaled air through and to prevent suffocation in case of a blockage.

A non-rebreather mask delivers oxygen therapy if you need high-concentration oxygen but don’t need help breathing. Learn more about how they work, when they’re used, and more.

Simple oxygen masks. Like nasal cannulas, a simple face mask provides a small amount of extra oxygen. These masks can be worn when a nasal cannula isn’t working or isn’t practical, ...

For oxygen at greater concentrations, various face masks can be used. This includes the simple face mask, which can deliver oxygen at 5 to 15 lpm flow, to achieve an oxygen level between 28% and ...

LOS ANGELES - The simple act of wearing a mask amid the ongoing COVID-19 pandemic has become a politically charged topic in the U.S. and across social media. Despite the urgings of public health ...