PetSafe Drinkwell Replacement Filters 3 pack

729849130678 Each filter features a duo-density polyester pad that catches hair and debris, while the charcoal 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.

Works with the following fountains: Drinkwell Original (PWW00-13704), Drinkwell Platinum (PWW00-13703), Drinkwell Big Dog (PWW00-13713), Drinkwell Multi-Tier (PWW00-13708), Drinkwell Outdoor Dog Fountain (DDOG-INOUT), Drinkwell Everflow Indoor/Outdoor (PWW00-14074), Drinkwell Zen Fountain (DSTEEL) and Drinkwell Mini Fountain (PWW00-14402).