Rio Hyper Flow Water Pumps Water circulation is important in maintaining a healthy environment. The Rio® HyperFlow™ delivers high performance at an affordable price. This compact, highly efficient pump uses Neo-power 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. All models capabilities : Fountain and waterfall In-Tank Circulation Wet/Dry Filtration System, Protein Skimmer & Sump 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 Item No. Flow Rate (Litres per Hour) Max Head Height 0cm Height 30cm Height 120cm Height 180cm Height Rio 4HF 1230 990 270 - 1.6m Rio 6HF 1680 1330 590 - 1.9m Rio 8HF 2460 2090 1020 300 2.0m Rio 10HF 2870 2500 1360 720 2.3m Rio 12HF 3210 2850 2390 1930 2.9m Rio 14HF 3660 3190 2500 2050 3.0m Rio 17HF 4680 4140 3190 2500 3.1m Rio 20HF 5210 4900 3760 3300 3.3m Rio 26HF 6720 6040 5130 4330 4.0m Rio 32HF 8030 7300 5700 4940 4.3m