AARKE Sparkling Water Maker 3 Polished Steel is the first appliance of its kind with seamless, minimalist and stainless steel enclosure. This sparkling water maker is designed to elevate the look and feel of your kitchen counter for years to come. It's easy to use: just fill your bottle with fresh, clean water and attach it to the machine. The lever has two functions - both carbonating your water and releasing pressure from the bottle. Push and hold till you hear a buzz and then release the bottle from the machine. Enjoy your endless supply of sparkling beverages