Refrigerant Tank Rack with 3x30lb and Other 3 Saving Space, Cylinder Tank Rack 46x13x4-inch, Refrigerant Cylinder Rack Gas Cylinder Racks and Holders, for Gas Oxygen Nitrogen StorageProduct Features Heavy Duty Construction Made of heavy duty carbon steel, which is corrosion and rust resistance. The thickened and strengthen structure ensures stability and durability. Designed for long time use. Sufficient Cylinder Storage The gas cylinder stand equipped with 1 x 50 lb, 2 x 30 lb and other 3 small bottles storage space for you to store your different size of cylinders. And it can prevent sliding efficiently. Free To Assemble With