Carbon Filters from LitterMaid

Designed to work with Littermaid waste receptacles. These disposable carbon filters eliminate pet waste odor by up to 50%. The woven pouches come with adhesive strips for easy application. There are 11, not 12 LM filters in this box. They are individually wrapped and measure 2-1/4" by 2-1/4". New in the original box. Two large carbon filters are included in this box in place of the missing LitterMaid filter. They measure 6-1/4"x 3" and are new in the box as well.