The Carbonator is the first appliance of its kind with a seamless, minimalist stainless-steel enclosure in a classic Steel finish. Forget the dull, plastic soda machines of the past: This sparkling water maker is made from premium materials with top of the line safety valves and is designed to elevate the look and feel of your kitchen counter for years to come. The third iteration of the Carbonator features an overhauled internal safety valve system and a new stainless steel precision nozzle.How to use: Fill your bottle up to the fill line (with fresh, clean water only) and attach to the machine. The lever is where the magic starts and ends, both carbonating your water and releasing pressure from the bottle. Push and hold until you hear a buzz, then release and unscrew the bottle from the machine. Enjoy your endless supply of sparkling beverages!Polished stainless steel.BPA-free PET water bottle and stainless steel drip tray included.Cordless and electricity-free.Quality-Centric Design