Dive 1st Aid Adult Non-Rebreather Oxygen Mask

A non-rebreather oxygen mask is a medical device used to deliver high concentrations of oxygen, primarily in emergency situations. It consists of a face mask connected to a reservoir bag filled with oxygen, which allows the patient to inhale oxygen from both the bag and the direct oxygen source. It’s a face mask that fits over your mouth and nose. An elastic band stretches around your head to keep the mask on. The...