Drinkwell original - replacement filter cartridges

Keep your pet water fountain running smoothly with Drinkwell Original replacement filter cartridges. Compatible with Drinkwell Original, Platinum, Big Dog, and Multi-Tier pet water fountains, this 3-pack is designed for easy maintenance. Ideal for households using a cat water fountain or dog water fountain from the listed models. A convenient, cost-effective way to support consistent fountain performance for cats and dogs.