Oxygen Tank Holder: This cylinder bottle wall hanging bracket is made of ABS plastic and nylon strap, with powder coated finish, not easy to scratch, Curved Groove Design: The U-channel oxygen cylinder carrier grooves fit tightly with the oxygen tank to keep the cylinder upright and prevent it from shaking Adjustable Protective Chain: Our oxygen fixed shelf is equipped with adjustable safety chains, can be adjusted to various types of carbon dioxide tanks. It holds cylinder tightly increasing the stability of the cylinders Upgraded Metal Buckle:This upgraded oxygen cylinder holder is designed with convenient metal snap, allowing you to switch it on and off in seconds Widely Usage: The oxygen carrier stand is suitable for home/ clinics / hospital/ factory/ school