The 5 internal fins form a set of spiraling channels. As the water flows through the nozzle, the channels draw the stream of water in one direction or the other. The small amount of interference at the base of the Eductor causes the stream to randomly change direction as it exits the nozzle.
Draws in additional water volume
The RFG with Red Sea Max Adapter simply slides onto the standard Res Sea Max nozzle to create the perfect