I have in mind a miniature refrigerator for both cat and dog food, which would come in different sizes and number of bowls depending on how many animals the potential customer has. The fridge would be high enough for whatever pet you have, hence the different sizes. It would be stainless steel all over with an attached water cooled filter for constant fresh water. The whole unit which I perceive as being relatively small in most cases is powered by electricity for ongoing climate control...