Compatible: Compatible with flower fountains 1.6 - 3L. But not adapted to the Catit Fountain. Please measure the size of your fountain before purchase.Dimensions: outer diameter 125 mm, inner diameter 35 mm, thickness 10 mm. Improve the quality of the water: Three filtration methods can eliminate impurities. The outer polyester layer on each filter captures hair and debris. The three filtration steps ensure water quality and improve the taste of fresh cat water. Easy to use: Rinse the filter with water before using it, easy to mount on the fountain. Set of 8 in a box: Fountain Fountains Water Economic Chat. We recommend that you replace the filter every 2 to 4 weeks. Process 1, non-woven fabric and high quality cotton mesh, it effectively eliminates hair, debris and impurities in water , minimizes the threat of parasites. Process 2, high quality premium activated carbon, it is made from natural coconut hull, eliminates residual chlorine and other infectious microorganisms. Also
