Marina Cool Clam-Shaped Airstone, 6.35 cm (2.5 in.)

The Marina Cool Clam Air Stone is the ideal accessory to enhance aeration and circulation, as well as to add a decorative touch to your aquarium.
It produces bubbles that create a fascinating visual effect thanks to its clam shape. Simply connect an air tube to it and place it in the desired location.
Dimensions: 6.35 cm (2.5 in).