Marina Cool Clam Air Stone
This Marina Cool Clam Air Stone is the ideal accessory for added aeration, circulation and decorative highlights. Its clam-shaped pattern produces a cool bubbly visual effect to your aquarium. Simply attach airline tubing to air stone inlet and place it in the desired location.
Size : 2.5 in (6.35 cm)
Other size available :
Marina Cool Air Stone, Star, 3.25 in (8.25 cm)