DNA Sparkler Sparkling Water and Beverage Carbonator Gold – Carbonate any Beverage, Airplus Pressure Release Valve allows flavours to be carbonated directly in the bottle, The Smart Injector Nozzle Maximizes the infusion of CO2, Quick-release button for easy removal of the Bottle and Canister, Easy to use, Carbonate with a simple press, Metal Body Retail Box 2 year warranty