The WOW bundle includes everything you need to make better-for-you fizzy drinks for the family. Machine and colour may vary. Model number; 1100065440. All sodastream carbonating bottles are reusable with a lifespan of up to 3 years ; perfect for reducing the need for single-use plastic bottles and to minimise household plastic waste. Empty co2 cylinders can be exchanged with ease at your local argos store. Users report that they drink up to 43% more water since investing in a sodastream and are less reliant pre-packaged drinks. Produces 120 litres of sparkling water. 2 gas cylinders supplied. Includes 5 carbonating bottles with a 4 litre capacity. Size H40, W12, D22cm. Weight 4.44kg. Manufacturers 2 year guarantee.