High quality material: oxygen tube made of high elastic silica gel material, elastic, no deformation, no cracking, long service life, high temperature resistanceHumanized design: can be adjusted to the appropriate position, let you find the most comfortable stateGood compatibility: good compatibility, suitable for all of oxygen equipment, easy to install in most models.Small size: detachable nose, hygienic, economic and environmental protection.Easy to clean: the water can be removed to collect water droplets on the inner wall of the oxygen tube for easy cleaning. More security for users.Type: Oxygen TubeMaterial: Silica gelSize: 1.5/2/3/5 mPackage Contents:1 x Oxygen Tube(Only the above package content, other are not included.)Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.