Advanced odor control. Destroys odors instantly. The more cats you own, the more you need extra odor protection. Arm & Hammer Multi-Cat provides Extra Strength odor elimination for multiple-cat households. Here is how it works: Concentrated baking soda crystals eliminate the toughest odors on contact, including odor caused by bacteria. Rock-solid clumps let you remove the source of odors easily. 99% dust free and low tracking. Advanced multi-cat strength formula helps keep the heavy-traffic litter box odor free. An odor free home starts with Arm & Hammer, no matter how many cats you have. For over 150 years, Arm & Hammer products have provided a safe and effective way to help keep things smelling fresh and clean. Who knows more about odor control? Today's better litter for better odor elimination - Arm & Hammer Clumping Cat Litters.