SELF CLEANING LITTER TRAY FOR YOUR CATS. I order two of these cat litter toilets and realised I only need the one so this one is up for sale at a knock down price. ANY QUESTIONS FEEL FREE TO ASK. Weight of the box is 17kgs.The item "Litter-Robot III Open Air Automatic Self-Cleaning Litter Box Tray EU BNIB" is in sale since Wednesday, May 16, 2018. This item is in the category "Pet Supplies\Cat Supplies\Litter Trays". The seller is "dirtymother" and is located in Oldbury. This item can't be shipped, the buyer must pick up the item.