Aquafizz Extendible AirStones are high quality aquarium air stones produce a mass of bubbles to increase circulation and oxygenation in your aquarium. Extendible airstones are encased in plastic for durability and easy placement into your aquarium gravel. Two or more Aquafizz stones can be connected for spectacular bubble displays. Aquafizz Extendible AirStones come in two sizes, 5" or 10".
