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.

A non-rebreather mask can help you recover if you have trouble getting enough oxygen regularly due to an ongoing medical condition. Risks of Non-Rebreather Masks Non-rebreather masks aren’t perfect.

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 ...

On July 14, the same day The Spokesman-Review reported the plastic non-rebreather mask had been strapped to Zehm, Assistant Fire Chief Brian Schaeffer issued a directive for an internal investigation.