Three pack of replacement filter cartridges for all Drinkwell Pet Fountains to keep your pet's water clean and fresh.
Filters should be changed approximately every two to four weeks depending on the size and number of pets using the fountain. Good for all Drinkwell Pet Fountains.
Fountain sold separately.
Rated 5 out of 5 by 1
Rated 5 out of 5 by cswietlik41109 Filters Water Perfectly
I recently bought my fountain and found that by changing this as recommended really does help keep the freshest water possible.
June 30, 2009
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