Product description: Material: fleece + coconut shell activated carbon + ion exchange resin Color white Size: 125*125*10mm Scope of delivery: 6 * Round Filter Element Material: Cat fountain filter made of high quality cotton and high quality activated carbon. Provide a fantastic way to effortlessly purify kitten\/dog water. Your pet will drink much more water from the fountain than normal. Easy to Use: The installation is simple and you can get the job done quickly without much effort. This fountain filter replacement can not only ensure the water your pet drinks is fresh, but also extend the life of your fountain. Keep Healthy: High quality cotton and high quality activated carbon make the water in the fountain fresher and taste better. The healthy and clean water can encourage your cats to drink more. Notes \u0026 Tips: Rinse the filter thoroughly with water before use. The filter of the pet dispenser should be changed every 2 to 4 weeks depending on the frequency of use.