The Cool Marina Clam Shaped Air Stone is the perfect accessory for improving aeration and circulation as well as adding a decorative touch to the aquarium.
It produces bubbles that create a fascinating visual effect thanks to its clam shape. Simply connect an air tube and place it in the desired location.
Dimensions: 6.35 cm (2.5 in).
Cool Marina Clam Air Stone, Blue; safe for freshwater or saltwater aquariums (for additional aeration, circulation and decoration).