Compatible with YOUTHINK, HOM , ISYOUNG, KOALAD, HAPPYPAPA, PEDY, , automatic flower fountain and other of the same size. Size: 5in(outer diameter), 1.5in(inner diameter).
The filter is made of resin and activated carbon to help remove chlorine, odor and organic pollutants from the water.
To imp the water quality, three kinds of filtration (resin, charcoal, filter cotton fabric) can be used to remove impurities and debris from the outer polyester layer of each filter.
The three steps of filtration can ensure the quality of your cat and imp the taste of your cat. It can last for 3-4 weeks to reach the standard water quality. We s est that you change it in time to provide healthy water for your cat and dog and imp the water quality.