Compatibility: Cat toilet odor control for Pura Max automatic self-cleaning cat litter box; it can effectively control odor and prevent unpleasant smell leakage from litter box Highly Effective: Coconut shell activated carbon with an iodine value of 1000 is used, the higher the iodine value, the stronger the deodorizing ability; in the cat litter box, coconut shell activated carbon can quickly adsorb and lock the odor in the cat's feces, thus keeping the air around the cat litter box clean Premium Material: Made from coconut shell, it is a natural material that is harmless to the health of pets and family members, providing a healthier living environment for pets Pack of 12: We offer a 12 pack of litter box odor filters, each individually sealed in a bag; providing a long-lasting supply for your self-cleaning cat litter box Enjoy: Let your pets enjoy a safe and odorless environment, and let your family breathe clean and fresh air Compatibility: Cat toilet odor control for Pura Max automatic self-cleaning cat litter box; it can effectively control odor and prevent unpleasant smell leakage from litter box