Cat Fountain Filter Replacement: 12 Cat Water fountain Filter - 6 Pieces Filters + 6 Pieces Sponges for Cat Fountains - Pet Water Fountain Filters for Cat Water Fountain H1 (67oz/2L)6 Filters + 6 Sponges This product includes 6 pieces of filters + 6 pieces of sponges. The filters are individually packaged to effectively ensure the sealing of each piece of filtration. Perfectly Compatible This product is suitable for GIOTOHUN's cat water fountain with a capacity of 2 L. 4 layer Filtration System Each filter has three layers of filtration: high density microporous filter removes fine impurities and loose hairs. Large diameter