Shop the cat odor eliminator range at Catit. In this collection, you’ll find Magic Blue refill pads and cartridges that are designed to eliminate cat litter odor and hazardous ammonia gases around your cat’s litter box. Unscented, non-toxic, and made from BPA-free materials, Magic Blue is 100% cat friendly and works with any type of litter. Purify the air and reduce odor around your litter tray with any of these cat litter odor control products.