The 320 GPH (JA-F602) filter pump is a great choice for meeting the circulation needs of any small to medium-sized freshwater fish tank. Also, it performs three functions at the same time: water filtration, water circulation, and aeration. It is both compact and versatile. Certainly, no additional tubing or circulation pump is needed with this. You can install it in a vertical or horizontal position right in your fish tank. For more information about this product family and its uses please refer to this video Specifications: * 320 GPH (1200 L/H) * Max head: 3.9 ft * 5 ft non-polarized plug (US) * UL certified * Power consumption: 20 W * 120V AC (60 Hz) * Dimensions: 10.25 x 2.5 x 4 inches * Filter diameter: 3 inches * Suction-cup base Includes: * Power filter (1) * Venturi aeration and water outlet connector (1) * Aeration tube (1) * Stackable cylinder filters (2)