LAD Red Sea Max Nano G2 Automatic Roller FilterG2 Automatic Nano Roller Filter for Red Sea Nano Aquariums. Now with adjustable float sensor & increased height for a quieter filtration system. Gone are the days of filter socks! This Automatic Filter Roller replaces the need for a filter sock or floss. Includes flow director which needs to be clipped directly on the Red Sea Filter sock holder. *IMPORTANT* CANNOT BE USED IN CONJUNCTION WITH THE REDSEA SKIMMER* This Automatic Fleece roller fits the