This provides a high concentration of oxygen and the reservoir bag allows for adequate oxygen to be available to meet the unpredicted patient’s breathing pattern and tidal volume.Delivery of 99% to 100% Oxygen ConcentrationHigh Concentration at a Flow Rate of 15 LPMFlexible Plastic Mask with Elastic Head StrapIncorporated Oxygen Reservoir BagOxygen Tubing Supplied and Pre-ConnectedLatex Free for patient safety