Replacement filter for cat fountain. Keep your cat"s drinking water is fresh, clean and safe. Helping you to take care of your cat"s health. Features: Value pack of 12 filters. Compatible with Drinkwell 360 Fountain cat water fountain. Activated carbon can remove residual chlorine, impurities, and pollutants, keep the water fresh and clean. Filtration can assure the quality of the water and enhance the taste of freshwater for your cats. In order to ensure the water clean, the filter should be replaced in time, please replace them within 2 to 4 weeks. Any problem, please contact our store without hesitation. Honor to serve you! Specification: Name: Cat water fountain filter Inside material: Activated carbon, PP Suitable for: Drinkwell 360 Fountain Size: 37 x 72mm Note: x There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Package Information:? Package size: 21 x 16.8 x 4cm Package weight: 410g Plastic Packaging Package List: 12 x Cat water fountain filter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.