Question: what is the difference between the sodastream fizzi and jet?
Answer: The Fizzi model comes with a 60-liter canister while the Jet comes with a small 9-liter canister. A mail-in rebate coupon is included with the Jet that will allow you to obtain a free 60-liter canister. SodaStream indicates that the Jet model is also compatible with a larger 130-liter CO2 canister as well.