The Marina air stone is ideal for adding accents in any aquarium the air stone diffuses air, creating water movement. The air stone also increases surface agitation, accelerates oxygen replenishment and helps release carbon dioxide build-up. Simply connect the air stone to your airline tubing and place it in the desired location. Rectangular shape. Size: 10 cm (4 in) diameter.

THIS PRODUCT CANNOT BE SHIPPED OUTSIDE OF THE UNITED STATES. Due to distribution contracts Hagen has with its distributors around the world, we cannot ship their brands (AquaClear, Exo Terra, Fluval, Marina, and Nutrafin) outside of the United States. Our apologies for any inconvenience!