Replacement Activated Carbon Filter Cat Water Fountain Filters For Cat Water Drinking Fountain DispenserTriple Filtration System: cat water fountain Filters consists of a top quality cotton, activated carbon, and an ion exchange resin. Higher content of carbon in the filter element makes it more efficient to filter deodorize, remove chlorine, filter heavy metals, impurities, debris. Making water clearer and your pets Healthier. Easy to Use: Simple and humanized design makes pet fountain replacement filter easy to install, disassemble and replace. Our