Using steam saves water because a little water goes a long way to create steam that takes up more volume. Steam also kills bacteria and sanitizes, eliminating the need for chemicals and detergents which are harmful for the environment.
Multiple baskets allows for better organisation in the kitchen. Just put whole basket into Steamway to wash and keep it away when it is done washing
Steamway uses replaceable filter catriages. These reusable cartridges are washable and are free from harmful chemicals