21 Self-Cleaning Cat Litter Boxes, From Semi-Automatic to Touch-Free

PetSafe ScoopFree Automatic Self-Cleaning Cat Litter Box ($165, originally $200)

This self-cleaning litter box removes both the smell and the mess from your home. It comes with disposable trays and crystal litter that won't stick to your cat's paws. Additionally, it monitors how often your cat uses it to help track your its health, and it's great for cats that don't like enclosed spaces.