Cat Walk Catio SeriesA Unique Three Component Enclosure Introducing the Cat Walk Catio Series by Habitat Haven, an interesting combination of 3 different components to make one unique enclosure space. A catio tower can be aligned with a window, door, or kitty door on a home or building, then you can create your own overhead catwalk by connecting a cat tunnel between the tower and 4 Sided enclosure. With three trim options, two height variations, and multiple enclosure