16-Pack Foam Pre-Filters and Activated Carbon Filters Compatible with PetSafe Drinkwell INOX 360 Avalon Pagoda Seascape and Sedona Water Fountains, Dog and Cat Water Fountain Filters

Compatible with Drinkwell, Lotus, Avalon, and Pagoda pet fountains. Extends the life and increases the flow rate of the filter pump. Provides cleaner, healthier water for your pet. Please replace the foam pre-filter and activated carbon filter every 2-4 weeks, depending on usage.