Loading Unit: ·   The OXYWELL Loading unit incl. 1 Oxygen cartridge 930ml can be used on all OXYWELL preparation units. Each cartridge supplies enough oxygen for 45 to 50 Litres of oxygen water therefore ideal for multi users.     ·   A complete filling device including, an adapter, large cartridge 930ml and an instructions manual.       Weight: Height: approx. 1770 g 380 mm