The Arm & Hammer Large Sifting Litter Pan features antimicrobial protection to help prevent the growth of stain and odor-causing bacteria. The 3-Pan Sifting Pan System allows litter to fall through easily for quick clean-up.
Item Dimensions: 19.0 x 14.75 x 7.5
Inside Dimensions: 16 7/8 x 13 1/8
Used for one year and had to replace with larger box.