Replacement Charcoal Filter for Ceramic Pet Water Fountain (Pack of 4) This Replacement Charcoal Filter for Drinkwell Ceramic Pet Water Fountain Avalon and Pagoda (Pack of 4) has the action of to eliminate bad tastes and odors from water. Water is more attractive to your pet and therefore contributes to maintaining good hydration. Compatible with: Drinkwell Avalon and Pagoda fountains from PetSafe. Important details&; It is recommended that you rinse the carbon filter thoroughly with cold water to remove any buildup of loose carbon dust trapped in the system. It is recommended that the spare carbon filter be replaced every 2-4 weeks.
