💦 Filtered Freshness for Your Furry Friends! Change filters every 2-4 weeks for optimal performance—keeping your pets happy and healthy. Made from coconut shells, our filters are not just effective but also sustainable. Join millions who trust PetSafe for their pets' hydration needs since 1991. Keep your pets' water fresh and clean with our advanced filtration. Our filters boast 50% more activated carbon for superior taste and odor removal. 50% More Carbon Trusted Brand Fresh Water The PetSafe Drinkwell Replacement Carbon Filter is designed to keep your pet's water fountain running smoothly. Made from high-quality polyester and featuring 50% more activated carbon than generic brands, these filters effectively remove bad tastes and odors, ensuring your pets enjoy fresh water. With a commitment to quality since 1991, PetSafe is a trusted name in pet care.