A non-rebreather mask is a device used in medicine to assist in the delivery of oxygen therapy. An NRB requires that the patient can breathe unassisted, but unlike low-flow nasal cannulae, the NRB allows for the delivery of higher concentrations of oxygen Product Features: It consists of a face mask connected to a reservoir bag that’s filled with a high concentration of oxygen The reservoir bag is connected to an oxygen tank. Multi Purpose Use: Ideal for all environments, these adult non-rebreather oxygen masks are suitable for doctors, EMTs, hospitals, and first aid kits. They’re also great to have on hand for athletes, school nurses, lifeguards and ambulances for those in need of the delivery of oxygen therapy. Design: Elongated design for under the chin coverage. The clear finish is ideal for those needing to monitor a patient's c ...