• Used for waste box of Self Cleaning Automatic Litter Box, set of 12 pieces
• Official Size for LR 4: Built in activated carbon, this carbon filter great for absorbing odors and controlling moisture in the waste drawer.
• More Activated Carbon: Each filter contains as much as 200 grams of activated carbon to cover more area. This makes them highly absorbent and more effective in soaking up odors and moisture.