Create important current flow in aquariums up to 50 gallons with the MaxFlow MCP-1 Circulation Pump! Not only does this pump make your aquarium more visually appealing, the MCP-1 improves the environment for your little creatures by providing constant water flow and stagnant-free water. Remarkably compact and energy efficient, the MaxFlow Circulation Pumps allow a wide, 360-degree range of motion. Now, you can easily adjust the angle of your pump to provide water flow where you never thought possible. Features: Creates important current flow for small to medium size aquariums Compact, energy efficient design runs with only 2.5 watts of power High-flow impeller system moves 660 gallons per hour Articulating ball joint allows a wide, 360 range of motion Includes secure suction cup mounting system For Fresh or Saltwater aquariums Specs: VOLTAGE – 120v / 60Hz WATTAGE – 2.5 Watts FLOW RATE – 660 Gallons per hour TANK CAPACITY: 25-50 Gallons