PetSafe Drinkwell Premium Carbon Replacement Filters, 3 pack

Size:Pack of 12 The PetSafe Drinkwell Premium Replacement Carbon Filter is compatible with PetSafe Drinkwell Original, Platinum, Big Dog, Multi-Tier, Outdoor Dog, Mini, Overflow and Zen Pet Fountains. This premium filter segments the carbon into 6 compartments, reducing the settling of the carbon and enhancing overall filtration. Each filter features a duo-density polyester pad that catches hair and debris, while the carbon removes bad tastes and odors from the water to make it more appealing to drink. Filters help extend the life of your fountain and pump and should be replaced every 2 to 4 weeks.