12 Packs Cat Water Fountain Filters for Ultra Silent Cat Fountain 67oz/2L with LED Night Light, Triple Filtration System Activated Carbon Filter with Pre-Filter Sponges for Pet Water FountainCompatibility: Cat Water Fountain Filters are compatible with Ultra Silent Cat Fountain 67oz 2L with LED Night Light color classification: blue, clear, green, gray and orange; Please check the size and model carefully before purchasing; Multi Filtration System: this filter is composed of double density filter, cation exchange resin and coconut shell activated carbon. Selected high quality materials, every drop of water is fresh and living water, so