I purchased this when I first got a cat and used it for about five years. Eventually, I had three cats, and one of them was quite large. It became difficult to use, and they started having accidents, so I replaced it. I've been storing it at home since then. System toilets are relatively expensive, so would anyone like to try it out or are you looking to add another one to your setup? It's been thoroughly washed, but since it's a cat toilet, a slight odor may remain.