[Plastic Cotton Net] Filter out any deposits that may exist in tap water and carefully capture hair, sediment and debris. [Cat Fountain Filter] Replace it once every 60 days, clean the water dispenser and filter every 2-4 weeks to keep the water fresh. [Cotton Filter for Pet Water Dispenser] The activated carbon in the filter can eliminate bad odors and peculiar odors and keep the water clean and fresh. [Size 84.51.5cm] Pay attention to choose the right water dispenser. [For pet health] Help filter drinking water, let our pets drink water safely and stay healthy.