The CITRPROLGDX also functions as a culturing area for small organisms that are intended to be provided as a food source for the inhabitants of the main portion of the tank.
The CITRPROLGDX includes a Via Aqua V302 circulation pump. If you have ample circulation in your tank, you will not need a circulation pump.
11 3 4 Wide X 8 Tall X 5 3 4 Deep
Includes a sliding bracket that holds the Refugium on the edge of the tank