PetSafe.net: Clumping litter users rejoice! It&rsquo;s time to let the ScoopFree® Clumping Self-Cleaning Litter Box do the work for you. This automatic litter box rakes through your cat&rsquo;s favorite clumping litter, locking away waste and odors. Have more than one cat? This automatic litter box is perfect for single or multi-cat households. Say goodbye to the daily chore of scooping and enjoy more time creating memories with your pets with a ScoopFree Clumping Self-Cleaning Litter Box.