PetSafe Drinkwell Replacement Carbon Filters, Dog and Cat Ceramic Water Fountain Filters, 4-Pack

This pack of 4 replacement coal filters are for the Drink well Avalon and Pagoda Ceramic Pet Water Fountains. Drink well Replacement coal Filters keep your pet's water tasting clean and fresh. Each filter features a duo-density polyester pad that catches hair and debris, while the coal removes bad tastes and odors from the water making it more appealing to drink. Filters help extend the life of your fountain and pump and should be replaced every 2 to 4 weeks.