Litter-Robot III Open Air: I have had quite an interest in this machine for some time. A few of my close friends, who are cat owners, have a Litter-Robot and I’ve heard nothing but good reviews on the product. Needless to say, I was excited to test it out myself. We’ve had the unit for about 2 weeks and so far I have nothing but good commentary. I have to admit that I was a little concerned at the beginning as to how my cats would react to this mighty beast of a machine, however, I was pleasantl