JBL Floaty II MFloating glass cleaning magnet for aquariums. Key Features: Convenient and effective cleaning of aquarium panes: glass cleaning magnet with floating internal element. Easy to use: float the internal element on the water at the edge of the aquarium tank, the external element will draw the internal element. Direct the magnet from the outside. Clean glass pane with circular movements. Convenient to use: protruding cleaning edge accesses hard to reach