An easy and convenient way to keep your pet fountain sparkling clean.
The Drinkwell Premium Filters feature compartments which evenly distribute the charcoal for a longer lasting, deeper water filtration. A clean filter maximizes water filtration. This filter will work with the Drinkwell Orignal Fountain, the Multi-Tier Fountain and the Big Dog Fountain models and should be changed every 2-4 weeks to maintain water freshness.
3-pack.
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