Revolutionary Magnetically-Driven Utility PumpSupreme Mag-Drive Pumps have been designed and manufactured using the latest developments in magnets technology. The pump consists of a power unit encased in waterproof epoxy which creates a magnetic field. This drives a powerful ceramic magnetic impeller, the only moving part.The Mag-Drive Model 5:Is extremely energy efficient. Over 50% savings 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.