Oxygen Tanks (empty)

The Oxygen Tank Cylinder is an empty oxygen tank to use with ultra-pure ozone generators. NOTE: These oxygen tanks are shipped empty.  For information on how to get them filled, read this article.   Key Features: Brushed aluminum for lightweight durability Connects to oxygen regulators Shipped empty but you can get filled locally Product Description: There are three different oxygen tanks.  Two connect to 870 oxygen regulators and one connects to a 540 industrial regulator.  Make sure you purchase the tank that fits to your regulator. 540 Industrial Tank (Size R - 20 cu/ft) - Fits to a 540 regulator and gets filled at industrial or welding oxygen supply shops.  A fill will typically last someone 6 - 12 months, depending on usage.   870 Oxygen Tank Cylinder (Size D - 425L) - Fits to an 870 regulator, gets filled at an oxygen supply.  A tank this size will typically last someone 6 - 12 months. 870 Oxygen Tank Cylinder (Size M6 - 165L) - Fits to an 870 regulator, gets filled at an