Foam Pre-filters and Carbon Filter Compatible with PetSafe Drinkwell Fountain Avalon, Sedone, 2 Gallon and 1 Gallon for Cat and Dog Water Fountains (Pack of 16)

【Compatibility】: This replacement filter cartridge is compatible with Drinkwell pet water fountains.

【Regular Replacement】: Replace the foam pre-filter and activated carbon filter at least every 4 weeks, depending on usage. If multiple pets share the fountain, replace the cartridges more frequently.

【Benefits】: This replacement filter includes a layer of cotton and a layer of activated carbon. It removes hair, debris, odors, and other impurities, ensuring fresh, clean, and great-tasting water, and providing your pets with cleaner, healthier drinking water. The sponge extends the life and flow rate of the filtration pump.

【Cost-Effective】: Contains 8 foam pre-filters and 8 activated carbon filters.

Meets the long-term water filtration needs of your animals.