PETKIT Eversweet Smart Pet Drinking Fountain U-Shaped Foam Filter is a complementary product to the PETKIT Eversweet Smart Pet Drinking Fountain (Only Applicable to Gen 1 & Gen 2 Fountain).
The foam filter is required to keep your pet’s drinking water fresh and clean throughout the day.
Each pack comes with four (4) pieces of replacement U-shaped foam filters.
Clean foam filters once a week. Replace if required.