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.

It took second in the hot water test behind the Thermos Stainless King (after 12 hours the Stanley poured water that was 121 degrees, and after 24 hours it was still hitting 104 degrees). Even better, ...

Non-rebreather masks are designed to deliver a lot of extra oxygen to your airway. The normal fraction of inspired oxygen (FIO2), or concentration of oxygen in the air, in any room is about 21%.

Non-rebreather masks are used to deliver high concentrations of oxygen in emergency situations. They may be used for traumatic injuries, after smoke inhalation, and in cases of carbon monoxide ...