For over 170 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 Control Arm & Hammer™ Clumping Cat Litters. Free of Perfumes and Dyes Hard Clumps for Easy Scooping Proven Power in Every Scoop Super Absorbent Moisture Lock Baking Soda Crystals An Odor-Free Home Starts with Arm & Hammer™