Shop / Unknown Type / Marina Cylinder Airstone 1 in (2/PK) Marina Marina Cylinder Airstone 1 in (2/PK) 2.84 cm (1.5 in). 2 pack. $2.99 2.84 cm (1.5 in). 2-pack. Purchase Options Pick up in Store Not Available Set your store for inventory and store pickup details Zip Code Search Ship to Me Not Available Quantity Add To Cart Information 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. Cylindrical shape. Customers also liked Customer Reviews
