The standard of purity. Destroys odors instantly. Advanced odor control. Fresh scent. A secret in the litter box. In 1974, the secret to fighting litter box odors was to add Arm & Hammer baking soda in the litter box to eliminate harsh odors. That was then. Now the baking soda experts at Arm & Hammer have an even better secret. Arm & Hammer cat litters. Today's litter for better odor elimination. Don't just cover up litter box odors! Arm & Hammer Multi-Cat eliminates litter box odors instantly and helps keep your home smelling fresh and clean. Here's 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.