Features: 1. Filter cotton for pet water dispenser: The activated carbon in the filter can remove bad odor and peculiar smell and keep the water clean and fresh. 2. Plastic cotton net: Filter out any deposits that may exist in the tap water, and thoroughly capture hair, sediment and debris. 3. Cat fountain filter: Replace once every 60 days, clean the water dispenser and filter every 2-4 weeks to keep the water fresh. 4. For the health of pets: Help filter drinking water, let our pets drink water safely and keep healthy. 5. Size 8*4.5*1.5cm,Pay attention to choosing the right water dispenser. Specification: Material: cotton + activated carbon Size: about 8*4.5*1.5cm/3.15*1.77*0.59inch Use: Replace every 1-2 months Note: 1. Clean the water dispenser and filter every 2-4 weeks to keep the water fresh. Packing List: 1*Cat Water Fountain Filter