Wash-it is a sustainable washing unit concept which integrates the showering and clothes-washing activities in order to filter and reuse the water. Therefore, Wash-it enables users to wash their clothing while showering. Every time the users take a shower, they will have an opportunity to wash their clothing without using any extra water. Wash-it offers a second design solution specially for public usage. Public Wash-it has the ability to refresh clothes with Air-wash technology. Thus, users may take their cleaned clothing back quickly, without bad odors and sweat.