Rio Hyperflow 8HF Water Pump. Water must circulate to maintain a healthy aquatic environment. The Rio Aqua Pump delivers high performance at an affordable price. Features include energy efficiency, low-heat operation and a flow rate designed to keep your electric bills low. The ceramic shaft and durable high-impact plastic make the pump reliable and long-lasting. And although the Rio delivers a high flow rate with tremendous pressure capability, it operates very quietly. The fully submersible Rio can be used with wet-dry filters, venturi protein skimmers, under gravel filtering systems, ponds and fountains in both fresh and salt water. Features: * 550 gph @ 1 ft. * Max Head: 6.5 ft. * Dimensions: 4.4" X 2.3" X 2.8" * High flow rates with low heat output * Energy efficient * Titanium impeller shaft with ceramic bearings * High flow rate and tremendous pressure capability * Quiet operation * Can be used for circulation, filters, venturi protein skimmers, ponds, etc. * Safe for freshwater and saltwater use * Complete with mounting bracket and suction cups, strainer with sponge pre-filter and inlet and outlet adapters * 6 foot power cord