The Active Aqua Submersible Pump 400 by Hydrofarm is a reliable and powerful pump designed for hydroponic systems. With a flow rate of 370gph and a voltage of 120V, this pump is suitable for all water types and has a diameter of 3/4 inches. The submersible design makes it easy to install and maintain, providing efficient water aeration for your garden or outdoor living space. Whether you're a beginner or a seasoned hydroponic enthusiast, the Active Aqua Submersible Pump 400 is a valuable addition to your setup.