Keep your litter box fresh and your cats happy with this effective Cat Litter Deodorizer from Arm and Hammer. The moisture-activated fragrance eliminates odor, so your litter box stays first-day fresh, longer. You'll be amazed at the difference. Just sprinkle into the pan and the odor-absorbing power of Arm and Hammer gets right to work. Every time your cat uses the box, the moisture-activated fragrance is automatically released. It even makes clean up easier, because it prevents litter from sticking to the pan.