"AFP Lifestyle Fountain Filters – Premium 3-Pack Water Purification System Keep your pet's water crisp, clean and contaminant-free with these professional-grade carbon filters designed for AFP Lifestyle fountains. Each 11x11cm cartridge combines mechanical and chemical filtration for healthier hydration. Key Features & Benefits: Dual-action filtration (mesh screen + activated carbon) removes debris AND odors Optimal flow-rate design prevents pump clogging Easy snap-in installation works with most AFP fountain models 3-month supply (replace every 2-4 weeks) Vet-recommended for pets with sensitivities"