Photo 1 of PetSafe ScoopFree Cat Litter Crystal Tray Refills for ScoopFree Self-Cleaning Cat Litter Boxes - 6-Pack - Non-Clumping, Less Mess, Odor Control - Available in Original Blue, Lavender, or Sensitive

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Photo 1 of PetSafe ScoopFree Cat Litter Crystal Tray Refills for ScoopFree Self-Cleaning Cat Litter Boxes - 6-Pack - Non-Clumping, Less Mess, Odor Control - Available in Original Blue, Lavender, or Sensitive Photo 2 of PetSafe ScoopFree Cat Litter Crystal Tray Refills for ScoopFree Self-Cleaning Cat Litter Boxes - 6-Pack - Non-Clumping, Less Mess, Odor Control - Available in Original Blue, Lavender, or Sensitive