Non-Rebreathing Mask (Oxygen Mask, Disposable Mask) 1. Non-rebreathing mask consists of a mask and a plastic bag and a strip tube. 2. Medical grade PVC material. Latex free. 3. Safety vent circulates the flow of room air 4. The soft msak can help he patients to be much more comfortable, and the clip nose allows a perfect adaptation on nose. 5. The sofe universal connector is easy to connect to the oxygen source. 6. Single use only.