Soda Buddy SBWJS18CO2 Soda&nbsp;Machine with Soda Bottle Enjoy freshly made, great tasting sparkling water/seltzer in seconds with no mess Starter kit includes Soda Buddy home soda machine in black/silver, one 4 oz. CO2 carbonator (good for making up to 15L of soda), and one BPA-free plastic bottle Requires no electricity or batteries-great for use in RVs and boats Environmentally Friendly Reusable carbonating bottles last for two years with hermetically sealed caps to keep drinks fresh and fizzy