The Catit Foam Cartridge for Catit Design Fresh & Clear Fountain is a replacement Carbon Filter for Catit Design Cat Drinking Fountain. They help the filters collect debris, food, hair and sediment. Having activated carbon helps absorb water impurities, ensuring your cat or dog is drinking fresh and clean water.

Replacement carbon cartridges for Catit Fresh & Clear FountainsActivated carbon helps absorb water impurities3-packPackage Dimension: 2.0"L x 6.6"W x 9.0"H The Catit Foam Cartridge for Catit Design Fresh & Clear Fountain is a replacement Carbon Filter for Catit Design Cat Drinking Fountain. They help the filters collect debris, food, hair and sediment. Having activated carbon helps absorb water impurities, ensuring your cat or dog is drinking fresh and clean water.