COMPATIBLE WITH: PetSafe Drinkwell Avalon and Pagoda Pet Water Fountains, 7.5 - 3.7 - 1.8 Liters, Stream/Seaside ECONOMIC: 4-Pack Replacement Charcoal Filters ELIMINATE BAD TASTES AND ODORS: Thanks to the action of the charcoal, the water is fresher for your pet CONSTANT CIRCULATION: Slows down the growth of bacteria between 2 cleanings LIFE LIFE OF YOUR FOUNTAIN EXTENDED: It is recommended to replace the filter every 2 to 4 weeks. Dim (L x W x H): 5.08 x 6.1 x 3.6 cm
