Adult Non-Rebreather Mask w/Standard Connector - Medical Warehouse
Low flow nasal oxygen supplementation in addition to non-rebreathing mask: An alternative to high flow nasal cannula oxygenation for acute hypoxemic COVID-19 patients in resource limited settings - ScienceDirect
Non-rebreathing Oxygen Mask with High-Flow Soft Oxygen Cannula Reservoir Bag - Walmart.com