Marina Deluxe Oval Air Stone 3-Inch

Elite Deluxe Oval Air Stones provide efficient aeration; with a touch of decorative flair. The large circular sand stone in the center of the black oval; creates a cylinder of air rising up in your aquarium. Elite Deluxe Air Stones fit standard 3/16 in. Airline Tubing . For more information on aquarium aeration; please see our article on Air Pumps .