The oxygen tank storage rack is suitable for outdoor and indoor use, and can be used to safely store gases, oxygen, nitrogen, helium, hydrogen, acetylene and various other gas cylinders and tanks. Specifications: Material: Steel. Color: Blue. Capacity: 10/15/20L oxygen cylinders are recommended. Features: reliable welded steel construction; prevents chips and scratches; comes with a protection chain to prevent tipping; convenient storage and access to gas cylinders; with wheels and handles for easy transportation; used to store various gas cylinders; can save floor space. Package Included: 1 × Oxygen Tank Holder. Warm Tips: Please allow slight measurement errors due to manual measurement, actual size may differ from the delivered item. Due to the color adjustment of each monitor, the color may vary slightly, the actual product and the photo may be slightly different.