Manufacturer of world's only patented RELIABLE ALTERNATIVE variable speed drive technology.\r\n\r\nMagnetic-coupled infinite speed control. Unlike complex and sensitive VFD (variable frequency drive) technology, motor life is extended rather than reduced.\r\n\r\nLongest warranties, lowest maintenance, fastest PAYBACK, PURE and SIMPLE speed control without the excess baggage.\r\n\r\nToll Free in U.S. and Canada 1-888-557-7873\r\n