Easy Operation: Make fresh sparkling water at the push of a button. Energy Efficient: Powered by a CO2 cylinder, each cylinder carbonates up to 60 liters of water. Use w/ SodaStream flavors and carbonation bottles, except the SodaStream glass carafe. Eco-Friendly: SodaStream carbonation bottles are BPA free and better for the planet. Only compatible with the SodaStream Quick Connect CO2 cylinder. Includes: SodaStream Gaia Sparkling Water Maker. 1L Carbonating bottle. 60L CQC Cylinder. Pepsi Zero Sugar flavor. Mountain Dew Zero Sugar flavor