Non Clumping Litter Box System Large Size. If you are not completely satisfied with. All Purpose With Scoop Disposable Mat.The item "Non Clumping Litter Box System Large Size All Purpose With Scoop Disposable Mat" is in sale since Monday, March 28, 2016. This item is in the category "Pet Supplies\Cat Supplies\Litter Boxes".kingdom" and is located in Gaithersburg, Maryland. This item can be shipped to United States.