D-D Funktion 6500 return pump

The D-D Funktion pumps are a multi-function DC pump with a unique digital controller, featuring three wave modes and a constant running setting. These pumps are suitable as a return pump, for running media reactors or as a closed loop pump (5000/6500/10000 models only). Suitable for salt or freshwater use, the sine wave technology and low voltage motor offers ultra-low running noise, low heat output, and energy efficiency. Features Full range of high flow pumps with a compact footprint Unique digital controller with 3 wave functions and a constant flow mode Allows you to pulse your return for additional variable water movement in your aquarium Sine wave technology for low running noise Low voltage Energy efficient motor Suitable for saltwater and freshwater Wear resistant ceramic shaft and bearings Detachable footplate with anti vibration rubber feet Splash proof connection between the pump and controller Pulse Your Return Pulse your return using the special controller on PULSE mode, so that the water returning from your sump through your return nozzle into your aquarium acts as an additional source of variable flow. The change from the high and low flow on the pump is so rapid that the water level in the tank does not change, so you get no additional noise through the overflow.