The AC Infinity Submersible Water Pump model WPA3 is a high-quality and efficient pump designed for various applications such as aquariums, fountains, ponds, pools, and hydroponics. With a flow rate of 211 gallons per hour (800 liters per hour), this pump delivers a consistent water supply to plant roots, helping to maximize yields. The 18W motor operates quietly and efficiently, and the pump can raise water to a height of up to 5 feet. It also features a flow pressure control and a quiet operation, making it a versatile and reliable choice for your water circulation needs.