<p> <b>Feature:</b></p>1. Made of quality material, which is non-toxic, eco-friendly and safe to use.<br> 2. Suitable for old people, pregnant women and people traveling in high mountains and plateaus<br> 3. With complete accessories, which is easy to install and convenient to use.<br> 4. Light weight, and proper size is convenient and practical to carry outdoor.<br> 5. Applicable to all kinds of people, meeting your different need. <p> <br> </p><p> <b>Specification:</b></p>Condition: 100% Brand New<br> Item Type: Oxygen Cylinder<br> Content: 2L<br> Height: Approx. 43cm/ 16.9in<br> Diameter: Approx. 10.8cm/ 4.3in<br> Wall Thickness: Approx. 5.5mm/0.2in <p> <br> </p><p> <b>Package List:</b></p>1 x Oxygen Bridge1 x Disposable Tube1 x Humidifier1 x Mask1 x Wrench1 x Backpack1 x Oxygen Cylinder <p> <br> </p><p> <b>Note:</b></p>1. Oxygen cylinder should be placed in a well-ventilated place and fixed in place to prevent the cylinder from tipping.2. Do not expose the cylinder directly to the sun or close to a heat source. Use it under the guidance of a professional.