I saw this cage being used at a cat adoption event and knew I had to have one! Well, actually now I have two. Because I foster cats and initially quarantine them for 10+ days, these cages provide a comfortable, maybe even swanky, setup to do this. You can put the litter box on the lower level and not have to disturb or stress the cat when cleaning it out. The cat gets a little exercise by hopping through the different levels, and it's roomy enough for a small scratching pad/board. Of course you can also close off the floor opening and use it as two cages. 

The cage is easy to put together with just a mallet and is solidly built. I love the double wide doors and the bottom shelf for supplies. The plastic tray bottoms and shelves are light and very easy to lift out and clean. There is only one drawback to this cage:  a cat fitted with a standard e-collar will not fit through the floor opening.