Description: 【Cat Water Fountain Filter】: Replaceable cat water fountain filter, measures approximately 4x3x8cm/1.57inchx1.18inchx3.15inch 【 Materials】: The pet water dispenser filter is made of plastic, which can filter dust, pet hair, debris, etc., soften the water quality, and make your cat drinking water healthier. 【Keep Water Freshness】: Pets Fountain filter, coconut shell activated carbon, 4-stage filtration, improves water quality and taste, and keeps water freshness. 【Replacement】: The filter element can be used for a long time. It is recommended to replace the cat water fountain filter once a month. 【Note】: The new filter needs to be soaked and rinsed in clean water 10 minutes before use. Size Chart: 4x3x8cm/1.57inchx1.18inchx3.15inch Package Includes: 10x Cat Water Fountain Filter Note: Please allow slightly errors due to manual measurement and different monitors.