Certified Compatibility for PetSafe Fountains: The PetSafe Drinkwell 360 premium carbon filters ensure a perfect fit in the PetSafe Drinkwell Stainless Multi-Pet and Plastic 360 Pet Fountains Elevated Filtration Performance: Each filter features coconut shell carbon and a durable filtration layer to help remove odors and bad tastes for clean water Reliable Freshness & Value: Designed as a pet water filter and activated charcoal filter combo that delivers consistent results and helps improve multi-pet hydration over time Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families