soda siphon 
noun
A bottle from which carbonated water is dispensed by allowing the gas pressure to force it out.She would open the drinks cabinet and take from it an empty glass, a whisky bottle and a soda siphon, and arrange them carefully on a tray....
- The glass soda siphon is encased in wire mesh and is 44 cm high with a nozzle stamped ‘Veritable Seltzogene D. Fevre, Paris’.
- In It Runs in the Family there is a moment when we go berserk with soda siphons but I've managed to stay out of the way for that one - I don't get wet.