Foldable Design : The grooves of the oxygen tank cylinder storage rack fit perfectly with the gas cylinders, keeping them upright and preventing them from swinging back and forth. when they are not needed for transportation, oxygen cylinder holder can be folded up and stored in a corner to save space Heavy-duty Oxygen Holder : Our sturdy oxygen tank trolley / cart is made of steel with powder coated finish, prevents chips and scratches. sturdy and durable, waterproof and rustproof, long service life, and can hold up to 100 kg (220 lbs) Movable Cylinder Trolley : Oxygen tank holder equipped with a handrail on the top and 4 casters on the bottom, it helps staff to carry heavy oxygen cylinders easier movement, greatly reducing the burden and fatigue Adjustable Protective Chains : Oxygen tank rack is equipped with a metal anti-drop chain, you can adjust the length of the straps according to your needs. Oxygen tank stand holds the cylinder tightly in place so that it won't slip out even if the cylinder is tilted, increasing the stability of the cylinders Wide Application : Gas cylinder trolley considering different usage scenarios, oxygen gas cylinder is widely used in wheelchairs, ambulances, factories,laboratories, hospitals, schools, cdcs, care homes, workshops and other flexible applications