Product Description Oxygen Mask with Oxygen Reservoir Bag Instruction for use: 1. Position cannula on face by inserting cannula tips into nostrils. 2. Pass cannula Tubing over ears. Slide sleeve tubing toward neck for comfortable fit under the chin. 3. Set oxygen flow to level prescribed by physician. 4. Attach sure flow tubing to oxygen supply. Caution: *For single patient use only. *Not intended for reprocessing. *Avoid freezing and excessive heat. Detailed Images Trade Shows Certifications Our Workshop FAQ