This Hydor Koralia Evolution 850 Replacement Impeller replaces the impeller body for your Hydor Koralia Evolution 850 aquarium pump. It is very important to select the correct impeller for your pump to ensure proper operation.
- Replacement impeller for Hydor Koralia 850 Aquarium pump
- Provides high circulation for your aquarium water
- Not compatible with older pump models
Note: This impeller is for the Hydor Koralia Evolution 850 pump. The label on your pump may state that it is the Koralia Pump Evolution 750 instead of 850. However, if the pump label also says "Qmax 850gph," the pump is an Evolution 850 pump.