The Marina Power Filter is compact and quiet to operate. Equipped with an adjustable flow control to customize the flow. The pump intake is covered with a pre-filter sponge to help prevent small fish from being pulled into the filter pump. The filter uses two filter cartridges, each cartridge comes with a highly porous media to help promote optimal biological filtration.  Ceramitek, a highly porous ceramic medium fills both the Bio-Carb and the Bio-Clear cartridges. Installation is convenient quick and easy with no priming required.