Non-Rebreathing MaskThe Non Rebreathing Mask (NRB) is designed for the safe and effective delivery of high concentration oxygen to patients requiring critical respiratory support. Featuring a reservoir bag and one way valves, this mask ensures maximum oxygen intake with minimal room air dilution, making it ideal for emergency and acute care settings. Key Features: High Oxygen Concentration: Delivers up to 95100% oxygen when used with appropriate flow rates (1015 L min).