DESC: This pump is recommended for circulation only and is perfect for reef tanks, planted aquariums, ponds or heavy stock feed tanks. Unlike a conventional pump that produces a narrow stream of water flow that creates a pounding effect on the aquatic environment, this pump will generate a wide and even current. A built-in oil free expoxy motor and air venture provides for maximum aeration. Other features include: energy efficiency, low-heat operation, flow rate designed to keep electric bill low; Pump is 2.165" wide x 2.6" deep x 5.5" high. Pump has a 1 year warranty against defects in material and workmanship., Manufacturer: TAAM