Catalina Aquarium CA 2200 Aquarium Pump 850 GPH 850 Gallons Per Hour Very reliable and popular aquarium water pump/powerhead New safety feature protects pump automatically if pump runs dry 58 Watts - Good for Sump Pump, Protein Skimmer, Circulation, or Power Head Triple Venturi for circulation - 3 venturi air induction ports for protein skimmer