Tunze pumps and powerheads are a very reliable and German made product.  The Stream and NanoStream pumps offer a wide variety of flow and are able to be controlled with the Tunze controller options. 

We also have available the Tunze Silence pumps that are a great solution for returns, reactors, or whenever you need a constant quiet stream of water.

We recommend controllable pumps whenever you can, you can also control the Tunze pumps with an Apex controller and stream cables.