Odor Free Corner Cat Litter Box Cabinet. Flat Panels. Made in USA. Wood, not MDF. NO assembly needed. Espresso Odor free Cat Furniture litter box. Made in USA Using our coating with the right light spectrum will eliminate ODORS. With a surface area over 60 times more than most cat box carbon filters, new odors are destroyed quickly. Unlike carbon filters that have to be changed our coating never needs reapplying. The cat tray is also coated to stop the tray absorbing the litter smell. Please allow 8-10 weeks for delivery of these custom made cabinets.