Transform your approach to litter box maintenance with the Purina Tidy Cats BREEZE With Ammonia Blocker Litter System starter kit. This system features powerful odor control to keep your house smelling fresh and clean, and the specially designed, cat-friendly litter pellets minimize tracking throughout your home. With the pass-through automatic litter box system, the pellets capture solid waste on top, letting urine pass through to the absorbent litter pads below. An Ammonia Blocker in each pad is guaranteed to prevent ammonia odor for up to a full week for one cat. A protective drawer holds the cat pads securely in place, keeping them away from your cats while they use the BREEZE litter box. The Purina Tidy Cats BREEZE With Ammonia Blocker Litter System starter kit comes with everything you need to get your cats started, including one litter box, one scoop, one bag of BREEZE litter pellets and four absorbent pads.