Premier Pet Replacement Carbon Filters for Dog and Cat Fountains, Pack of 4

The Premier Pet™ Replacement Carbon Filters remove bad tastes and odors . providing fresh . filtered water for your pet. To ensure the freshest water and a long-lasting fountain . it is recommended to replace your carbon filter every two to four weeks . but more frequently if multiple pets drink from the fountain. This pack contains four filters providing a three to four month supply for your fountain . ensuring your pet always has filtered water.