LitterMaid Odor Absorbing Litter Box Carbon Filters, 12 Pack

Designed to work with Littermaid waste receptacles, these LMF200 disposable carbon filters eliminate pet waste odor by up to 50 percent. Measuring 2-1/4 by 2-1/4 inches, the woven pouches come with adhesive strips for easy application. Each of the included 12 packets is individually wrapped to maintain their absorbing ability. -- Amy Arnold