The EcoPlus Adjustable Water Pump circulates water at 528 gallons per hour for hydroponic systems, fountains, and more. This water pump is designed with an energy-efficient magnetic rotor with a ceramic shaft for a powerful yet quiet operation. The built-in flow regulator allows users to adjust the water movement to their liking. Can be operated submersible or in-line. Package includes water pump, three different-sized fittings, and a 15' power cord.