Shurex 4 Pack Replacement Charcoal Filters Refill Pads for Catit Magic Blue Cat Litter Box Air Purifier

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.