Brand new high quality. Made of high-quality silicone, high temperature resistance, no cracking. It can replace ordinary nasal cannula, avoid direct contact with nostrils, and use nasal oxygen dispersant for external use, which is clean and hygienic. It can be used repeatedly for a long time, avoiding unnecessary waste of disposable nasal straws. The oxygen level can also be adjusted for most oxygen generators. Suitable for 8mm oxygen outlet oxygen concentrator. Name: Oxygen Nasal Cannula Length: app.2m Color: As shown Material: Silicone Package Contents: 1 * Oxygen Nose Cannula only the above package contents, excluding other products. Note: Different lighting and monitors may cause the color of the item in the picture to be slightly different from the actual item. Measurement tolerance is +/- 1-3 cm.