Replace the cat fountain filter. Make sure your cat’s water is fresh, clean and safe. Help you take care of its health. The water is deeply purified and safer Function: Compatible with YouThink, Hommi, Isyoung, Koalad, Happy Papa, Pedy, Dadypet, automatic fountain and other sizes. Dimensions: 5 inches (outside diameter), 1.5 inches (inside diameter) Activated carbon can absorb impurities and smell, and keep the water fresh The three filtration methods can remove water quality. The outer cotton cloth on each filter captures hair and debris. Tertiary filtration to ensure water quality and improve the sense of fresh water inlet Here’s your cat Rinse the filter thoroughly with water before use, easy to install on the pet fountain In order to ensure the cleanness of water, the filter must be replaced in time, please replace it within 2-4 weeks If you have any questions, please contact our store immediately. It’s my pleasure to serve you Specifications: Name: Cat fountain filter