The additional PET bottle with stainless steel base and cap for the CARBONATOR 3 sparkling water maker. Can also be used in the CARBONATOR 1 and 2. The water bottle is the ideal companion, whether on the kitchen table or in your handbag, slim and of high quality. The PET used - elastic, strong, BPA-free and tasteless - ensures safe sparkling and tasty water. The large bottle opening makes it easy to fill and clean. The stainless steel base cap can be removed for cleaning.Caution: Do not clean in the dishwasher, as high temperatures change the material properties that are essential for safe use.