Features: 1. Pet Water Dispenser Filter Cotton: The activated carbon in the filter can remove bad odors and peculiar smells and keep the water clean and fresh. 2. Plastic Cotton Net - Filters any deposits that may exist in tap water and carefully captures hair, sediment and debris. 3. Cat Fountain Filter: Replace once every 60 days, clean water dispenser and filter every 2-4 weeks to keep water fresh. 4. For pet health: help filter drinking water, let our pets drink water safely and stay healthy. 5. Size 84.51.5cm, please pay attention to choosing the right water dispenser. Specification: Material: cotton + activated carbon Size: about 8 * 4.5 * 1.5 cm / 3.15 * 1.77 * 0.59 inches Usage: replace every 1-2 months Note: 1. Please clean the water dispenser and filter every 2-4 weeks to keep the water fresh. Packing List: 1*cat water fountain filter