Previously used, thoroughly cleaned, giving away rather than cluttering up the landfill. Description: Litter box with easy scooping system Noiseless Pull and Refresh process to refresh the litter box and collect waste Clumps fall into the pull-out waste drawer for easy disposal Large entrance that is suitable for cats of all sizes Integrated carbon filter for optimal ventilation Easy access maintenance door to add new litter Clear-view window to monitor the litter