Have you ever dreamed about water filter with a great design which could not only filter water but also refrigerate it? If so, Rehydr8 water filter concept is going to fulfill your dreams. What is interesting that It could do that in eco-friendly way. The filter would use thermoacoustic refrigeration process that relies on sound waves and an environmentally safe gas like helium to generate cooling. A pair of reusable bottles made from durable and translucent polycarbonate. Each bottle features a built-in and powerless thermometer, made from thermochromic plastic, to display the water’s temperature. If you also has Breville Icon espresso machine on your kitchen Rehydr8 would be great addition to it.