Empty Trade-In Carbonator Required upon Store PickupSecure an extra carbonator for your SodaStream sparkling water maker with the SodaStream 60L exchange carbonator. Just one full bottle can carbonate up to 60L of water. The SodaStream 60L exchange carbonator is compatible with all SodaStream sparkling water maker units. Your empty carbonator must be brought to the store during pickup to be exchanged.