Reliable Filter Performance: These PetSafe Drinkwell Fountain Activated Carbon Filters provide a better hydration choice by supporting cleaner, fresher pet drinking water Superior Filtration Materials: Each activated carbon filter contains 50 percent more carbon than generic brands to reduce bad tastes and odors and improve water quality over time Designed for Compatibility: These filters offer a universal filter replacement fit for multiple models including the Butterfly, Seascape, Creekside, and fits pagoda design fountains 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