21lb Sanicat Oxify Fresh Air Cat Litter – Made in the USA, this scented clay litter features Sanicat’s Oxify technology. As soon as your cat goes, this oxygen-infused litter releases a crisp, fresh-air scent that eliminates litter box smells and helps to control odor-causing bacteria. Low dust, low tracking Wyoming Bentonite clay helps naturally trap smells for up to 30 days. Helps control odor-causing bacteria. Quickly forms hard, easy-to-scoop clumps. Absorbs fully and quickly. All natural clay is low dust and low tracking. Bentonite provides long-lasting smell control.