Professional grade submersible pumps for fresh or saltwater aquariums Enhanced pumps boast high go with the flow rates great for aquarium water circulation Powerful HyperFlow pumps can be utilized to drive aquarium filtration systems Powerful pumps feature enhanced motor design for versatile aquarium applications. These compact and highly-efficient pumps boast vortex rotor blade technology powered by a rare earth magnetic drive motor. The result’s greater go with the flow rate per watt than any same-size external magnetic drive pump. Titanium shaft with ceramic bushings offers strength and resistance to corrosion. HyperFlow Aqua Pumps deliver high go with the flow rates and are able to handling tremendous pressure even as keeping up cool and energy efficient operation. These versatile submersible aquarium pumps are perfect for driving protein skimmers, water circulation, wet/dry filters, or any freshwater or saltwater aquarium application that deals with high head pressure. For submersed (underwater) use simplest. Model Dimensions Max Head gph @ 1 ft Inlet Outlet Watts 6HF 3.9″ x 2″ x 2.5″ 6 ft 350 5/8″ 15 8HF 4.4″ x 2.3″ x 2.8″ 6.5 ft 550 3/4″ 30 – 12HF 4.9″ x 2.5″ x 3.2″ 9.5 ft 750 3/4″ 40 17HF 5.4″ x 2.7″ x 3.7″ 10 ft 1090 13/16″ 55 26HF 5.9″ x 3.1″ x 4.2″ 13 ft 1590 1″ 100 32HF 5.9″ 3.1″ x 4.2″ 14 ft 1920 1″ 115 – Screen pre-filter out intake. Please click on “More Information” for go with the flow performance chart, safety guidelines, application, and upkeep.