Amazon.com : Catit Magic Blue Ammonia Buster - Reduces Urine Odour and Smells for a Fresh Cat Litter Box : Pet Supplies
Feline Fresh Natural Pine Cat Litter, 7-lb - Walmart.com
Amazon.com : Extreme Enzyme, CAT Litter Odor Eliminator. Triple-Action Deodorizing Powder with Natural enzymes, Ammonia removers and Activated Baking soda. Fragrance Free & Made in USA (1lb) : Pet Supplies