Making sparkling water at home has never been this elegant. The Aarke Carbonator 3 is designed from the inside out to be the slimmest and most compact sparkling water maker in the world. The machine is designed with a complete stainless steel enclosure so the Carbonator 3 will look beautiful for years to come on your countertop. The function is very simple. Just fill the bottle with cold water, screw the bottle into the machine, pull the lever down and you are done! The most striking new feature of the Carbonator 3 is the precision nozzle which is CNC-machined from a single piece of stainless steel. The result is a beautiful new polished steel nozzle which gives a calm and controlled spray beam into the water. Carbonator 3 also has a new pressure release valve with a quieter, more sophisticated sound to signal when the water is carbonated. Every minute, one million plastic bottles are sold around the world. Only 9% is recycled. The rest ends up in the oceans or in landfills. One Aarke water bottle can replace thousands of single use plastic bottles. Home carbonation is not only cheaper and more convenient, it also contributes to a better environment. Gas cylinder not included.