Exceptional odor and litter scatter control replaceable zeolite air filter helps reduce litter box odors. You should not enjoy your cat any less because it happens to be a messy digger or leaves stinky presents in the litter pan. The plastic cat litter box is stain and odor-resistant and features a high polished finish that's easy to clean. It also has a removable top for quick cleanups and changes and then it locks together to the base providing a secure closure.