Complete Compatibility: Fit for Whisker OdorTrap Pod, for Litter-Robot 4 filter pocket or Litter-Robot 3 waste drawer Ingredients: Diatomite, activated carbon and sepiolite material with excellent odor adsorption effect Safe and Effective: Our completely neutralizes odor at the source leaving litter pans completely scent free; it is safe for pet and family Package: You will receive 6 packs of deodorant beads; replace packs every 2 weeks for best resReplace packs every 2 weeks for best results Enjoy: Let your pets enjoy a safe and odorless environment and your family clean and fresh air Complete Compatibility: Fit for Whisker OdorTrap Pod, for Litter-Robot 4 filter pocket or Litter-Robot 3 waste drawer