Replacement filters for cat fountains. Keep your cat’s drinking water fresh, clean and safe. So you can take care of your cat’s health. Most of the filters on the market are made of activated carbon. But these filters are made of high quality Activated charcoal, resin and cotton fabric are made. The water is deeply purified and safer. Properties: Compatible with Youthink, HOMMI, ISYOUNG, KOALAD, HAPPYPAPA, PEDY, DADYPET, automatic flower fountain and others of the same size. Size: 5in (outer diameter), 1.5in (inner diameter). Dual action filter: resin and activated carbon. Resin can soften water and reduce the chance of lithiasis. Activated carbon can adsorb impurities and odor, keep water fresh and clean. The water quality can be removed by the three 3 types of filtration. The outer cotton layer on each filter catches hair and dirt. Three steps of filtration can ensure the quality of water and the taste of fresh Improve water for your cats. Rinse the filter thoroughly with water
