Nature's Miracle® pet stain and odor removers have been a trusted brand for pet mess cleanup for 40 years. Nature's Miracle stain and odor removers, virus disinfectants, training aids, litter and waste management and grooming products offer solutions for life with pets, from everyday messes to the toughest cleanup jobs. Whatever pets do, you can trust Nature's Miracle products to undo. Cats are fastidious creatures who love a clean, fresh litter box—and pet parents do too! The Nature's Miracle® Litter Box Fragrance Inserts are specifically designed to work with the Nature's Miracle Litter Box Air Freshener Attachment. Each pack contains three refill fragrance inserts that neutralize odors in the litter box area. When used with the air freshener attachment, the fragrance inserts control tough urine and feces odors, leaving a pleasant lavender scent. Each insert provides odor control for up to one month and is safe for use around pets and home when used and stored as directed. The fragrance inserts are easy to replace. Simply use the fabric fastener feature to remove the attachment from the litter box. Pull the tab on the side to slide out the old fragrance insert and replace with a new one for easy continued odor control. For best results, scoop clumps and waste daily. Stir the litter around after scooping to ensure maximum freshness and odor control.