PetSafe Legacy ScoopFree Crystal Pro Self-Cleaning Automatic Cat Litter Box - Front-Entry Motion-Sensing Cat Box with Integrated Health Counter - Includes 1 Disposable Crystal Litter Tray Crystal Pro Legacy Litter Box is up for auction in Baby Products. The current bid is $51.00, 78% below the $229.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.