AquaEL Hypermax 4500 BTProduct description One finger control of the filter Hypermax 4500 BT allows full control of filter functions without having to go near the aquarium. Turn the filter on and off via the app when you need it, ensuring rapid response to changes in aquarium conditions. Precise control of pump flow with simple gestures on the smartphone screen allows you to adapt filter operation to the needs of aquarium inhabitants. Flexible flow modes You can choose from