This Marina Cool Star Air Stone is the ideal accessory for added aeration, circulation and decorative highlights. Its star-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 : 8.25 cm (3.25 in)
Other size available :
A957 Marina Cool Air Stone, 6.35 cm (2.5 in),,