Fight cat litter box odors instantly with Fresh Step Advanced Extreme Clumping Litter. This Amazon exclusive item features an extra-strength odor-fighting formula with Ammonia Block Technology and activated charcoal clumping cat litter to fight 100% of litter odors (1) to help keep your home smelling fresh. This Fresh Step litter combines the power of Febreze freshness and an extra-strength Mountain Spring scent (2) to guarantee 15 days of odor control in your cat's litter box (3). With naturally-strong clay plus built-in odor-fighting power, Fresh Step Extreme Cat Litter locks in cat urine and liquid on contact and forms tight clumps. The ClumpLock technology makes scooping the kitty litter box quick and easy with no messy crumbles. Plus, the low-dust cat litter formula helps keep floors and other surfaces cleaner. Enjoy more catnaps and cuddle time with your kitty when you choose Fresh Step cat litter. (1) Ammonia and fecal malodor (2) vs. Fresh Step Multi-Cat (3) See package for more information on terms and conditions