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