ARM & HAMMER Double Duty Clumping Cat Litter s breakthrough formula destroys urine and feces odors on contact for dual advanced odor control that helps your home stay fresh and clean. The hard clumps let you remove the source of odors quickly and easily. This Double Duty litter instantly destroys urine and feces odors with powerful moisture-activated Baking Soda crystals that eliminate odors on contact. The formula is 99.9% dust-free and low tracking. It features an easy pour and no-spill spout for less mess. Additionally the fresh scent refreshes the litter every time your cat uses the litter box. Available in a 20 lb box this ARM & HAMMER Double Duty Advanced Dual Odor Control Clumping Cat Litter is a reliable choice for maintaining a clean and odor-free environment for you and your cat.