Drinkwell Replacement Charcoal Filters - 3 pk

The PetSafe Drinkwell Premium Replacement Carbon Filter is compatible with PetSafe Drinkwell Original, Platinum, Big Dog, Multi-Tier, Outdoor Dog, Mini, Everflow and Zen Pet Fountains. 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.