Arm & Hammer Cat Litter - Deodorizer. Maximize odor control in your home with the powerful ARM & HAMMER Cat Litter Deodorizer, available in a convenient 17.6 oz (500g) box, the essential solution to ensure a consistently fresh and clean litter box environment. This versatile deodorizer is safe to use with any type of cat litter—clay, scoopable, or natural—to prevent odors from starting and keep them controlled for longer by instantly destroying smells on contact with ARM & HAMMER Baking Soda. To benefit from its maximum power, simply pour the deodorizer to cover the bottom of your clean, empty litter box, add your regular litter as usual, then sprinkle an additional layer on top and mix it in. For continuous freshness between complete litter changes, simply repeat the sprinkling process on top of the litter whenever needed, giving you long-lasting odor protection.