3Pcs Aquarium Bubble Air Stone Bars Durable Air Stone Bubble Release Oxygen Diffuser Oxygen Pump for Fish Tank Hydroponics, 12.4 Inch

【Long Service Life】 The fish tank air stone can clean to repeated use, long work time. Provides fine and constant aeration to your tropical fish tank.Package List: 3 x Air Stone Bar 【Good Quality】 The fish tank air stone is made of quality material, can make your aquarium tank more effective pump oxygen. 【Function】 Fish tank air stone rising bubbles enhance aquarium aeration & water movement. Rising bubbles improve aquarium ventilation and movement, versatile aquarium lines for decorative and functional air bubbles. 【Excellent Performance】 The fish tank air stone needs to use with air pump and trachea, good performance (not included air pump and trachea). It is an important instrument to successfully keep aquatic fish for respiration process. 【Wide Application】 The fish tank air stone's length is about 31.5 cm. Suitable for fish tank, aquarium. Perfect for your fish tank or aquarium, and it is the best partner for air pump. Weight: Approx. 242g， Color: green， Length: Approx. 31.5cm/12.4in