About this item Includes the Drinkmate OmniFizz sparkling water maker and two extra 1L BPA-free reusable carbonating bottles to make and store different drinks. The OmniFizz soda maker carbonates any drink – water, juices, wine, cocktails with the push of a button using food grade CO2 gas. Comes with a 3oz (8L) CO2 test cylinder compatible with Drinkmate’s exchange program for replenishment. The reusable bottles replace thousands of single-use plastic bottles, helping you drink healthier and reduce waste. No electricity required and simple to operate with the patented Fizz Infuser technology.