PETREE Automatic Cat Litter Box Replaceable Base - ADD ON ( For Gen 2 )

The inner sphere of your PETREE Automatic Cat Litter Box Gen 2 WIFI Model is protected by a silicone foundation, which prevents scratches and damage. When your cat digs up cat litter to cover their waste, they may leave scars on the box's surfaces. Use the silicone base to make sure your litter box lasts a long time and is safe for your cat to use.