Marina Air Stones are ideal accessories for enhancing the beauty of an aquarium, as well as for diffusing air and creating water circulation.
In addition, Marina Air Stones increase surface agitation, accelerate the oxygenation process, and allow accumulated carbon dioxide to escape more readily. Simply connect them to the air line and place them in the desired location.
Cylindrical shape. Pack of 4.
Dimensions: 2.84 cm (1.5 in).