The Hagen 91400 pet drinking fountain accepts the following filter replacements:
The Dogit Design Fresh & Clear Pet Drinking Fountain is a drinking water fountain provides a consistent supply of clean and fresh drinking water for your pet through re-circulating water flow. This Fresh and Clear outdoor drinking fountain utilizes multi-stage filtration that eliminates stale water by trapping impurities. This pet drinking fountain has a large surface area operation and is elevated, which is useful for dogs that are older, larger, or suffering from physical ailments.
Dogit Design Fresh & Clear Pet Drinking Fountain specifications: