If you are using an automatic cat litter box that is getting old, it is a lot of work if you're cleaning you have a Pura Max litter box. Petkit has developed a fantastic device that makes cleaning a breeze. Simply attach the Petkit Cat Litter Remover to your Pura MAX litter box and it gently cleans out even the most stubborn cat litter chunks. The Cat Litter Remover for Pura Max Automated Self-Cleaning Cat Litter Box comes with everything you need to clean such litter box.