The "Original" Odorless Litter Box system only (not the litter box) is warranted against defects in materials and workmanship for a period of twelve (12) months from date of original purchase. This warranty does not cover institutional or commercial usage, or damages caused by misuse, neglect or accident. Should this product become defective during the warranty period, return it with receipt to place of purchase for repair or replacement, at the manufacture's opinion.