Thank you for viewing. This is a set of 3 activated carbon filters: 2 new (in their original packaging) and 1 that has been opened for use, with one still sealed in its original plastic and stored in the box. - Quantity: 3 - Filter Type: Activated Carbon Filter - Compatibility: Full circle type - Usage: Filter to keep water clean - Material: Plant-based plastic For cats. The outer box will be folded and included when shipped. The opened outer box has a slight tear.