Compatible with Catit Magic Blue Cat Litter Box Air Purifier；To ensure enough activated carbon, the edges are slightly larger and can be folded to insert into the Magic Blue Cartridge (sold separately).
Activated Charcoal Absorbs and neutralizes smelly odors- Keeps your Cat Litter Box fresh and clean
3"(w)x3"(L); Made by Natural Activated Carbon- environment-friendly and highly efficient
Each filter provides up to 3 months of odor stopping power
Also works in other odorly environment like Trash Can, Compost bins, Shoe Cabinets, Closets, Refrigerators, Diaper pails, Gym Bags and so on.
