Good water circulation is critical to maintaining a healthy environment. The Rio® HyperFlow™ delivers high performance at an affordable price. This compact, highly efficient pump uses Neopower magnetic vortex rotor blade technology to pump more gallons per watt than any same-size external pump.Rare-earth compounds pack power into a neatly compact pump. Cool and efficient operation keeps energy costs low. The shaft with ceramic bushings offers strength and resistance to corrosion. High-impact plastic construction makes Rio® HyperFlow™ durable and reliable. The Rio® HyperFlow™ is fully submersible and offers the best-performance water pump on the market.Rio® HyperFlow™ delivers high performance at an affordable price. Features high flow rates, low heat output and are designed to be energy efficient keeping eclectic bills low, in addition providing tremendous pressure capabilities. Simply put the most compact and energy efficient pump on the market today.Features: Reliable Easy Installation Vortex Rotor Blade High Flow Rate Rare-Earth Magnet Multi-Purpose Powerful and Efficient Compact Streamlined and Quiet Operation Ceramic Shaft with Ceramic Bearing Low Heat Emission Affordable Fully Submersible Energy-Efficient Design Application: Any application with head pressure Wet/dry filtration Venturi protein skimmers Fountains Ponds Specifications: Delivery flow rate at 30cm Height: 990 L/hr or 260 GPH Delivery flow rate at 120cm Height: 270 L/hr or 70 GPH Power: 220v/50Hz, 10watts Dimension: 3.9in x 2in x 2.5in Output diameter: 16mm Max Head: 1.6m