General description This 8-piece Cat Water Fountain Filter set is designed for various pet fountains, including Avalon, Pagoda, and others. It features a three-layer filtration system that ensures your pet's drinking water is always fresh and clean by removing hair, dirt, odors, and other contaminants. Technical specifications Includes 8 replacement filters Filtration layers: cotton, activated carbon, and ion exchange resin Compatible with 1/2 gallon, 1 gallon, 2 gallon, Butterfly, Avalon, Pagoda, Seascape, Sedona, Seaside, and Creekside pet fountains Installation Soak the filter in water for 5 minutes before use Rinse thoroughly under running water Usage Replace the filter every 1-2 weeks in summer and every 2-4 weeks in winter Replace more frequently if multiple animals use the fountain Other information