The Supreme Aqua Mag Magnetic Drive utility pump is a magnetically driven submersible pump. This Supreme Aqua Mag pump features a unique energy efficient design uses only one moving part a ceramicmagnetic impeller. 10 foot long three pronged power cord make installation in larger ponds a breeze. Energy efficient design just 1 moving part Completely submersible use in or out of the water Pump salt or fresh water 3 year limited warranty Supreme Mag Drive Pumps have been designed and manufactured using the latest developments in magnetic technology. The pump consists of a power unit encased in water proof epoxy which creates a magnetic field. This drives a powerful ceramic magnetic impeller the only moving part. The advantages of this technology are many. This Mag Drive Pump Is extremely energy efficient compared to equivalent conventional pumps Is virtually maintenance free no seals to wear out no contaminating oils Can be used in either salt or freshwater environments Can be used for submersible or in line applications These sturdy pumps are ideal for water garden and ponds statuary aquariums and hydroponic gardening...or wherever you want to pump salt or freshwater efficiently. Fish safe no oil or harmful substances to leak For saltwater and freshwater aquariums or ponds Only one moving part no motor seals to wear or leak Submersible or for in line use Energy efficient consumes half the electricity of conventional pumps with similar flow 1 Inch NPT threaded inletoutlet