Litter-Robot 3 Cat Litter Box Carbon Filters, 6 Count

Freshen up your cat’s litter box with Whisker Litter-Robot 3 Carbon Cat Litter Box Filters! These carbon filters are designed for use with the Whisker Litter-Robot 3 (sold separately). They’re easy to remove and replace while cleaning the bottom drawer. For optimal odor absorption, replace the filter about once per month or as often as you prefer.