Sodastream 60 Liter Carbonator Set of Three Spare Replacement Cylinders for Soda Stream Machines and Samsung Refrigerators Buy a 3 Pack and Save Makes up to 60 one litre bottles Works with all Soda Stream machines Lightweight aluminum Licensed CO2 carbonator is included with every SodaStream soda maker kit When empty, SodaStream takes back the cylinder to be cleaned, inspected, refilled and reused