PERFECT NEW Fish Tank Aquarium 475 GPH Mult-Function Submersible Water Pump w/Air Pump Fountain Hydroponic PERFECT NEW Fish Tank Aquarium 475 GPH Mult-Function Submersible w/ oxygen circulating Water Pump Fountain Hydroponic Max Flow Rate:475 GPH (1800L/H) Power: 45 Watt Voltage: 110 - 120 V @ 60 Hz DIMENSIONS 4.13*2.55*4.72 inches