... 1.driven by the permanent-magnet in-phase motor, this pump is high-efficiency, energy-saving and durable. 2. made ... of stainless steel, the shaft of the pump can endures abrasion and corrupt, and can be used in ... in 1. with a stream control valve set in the pump, the stream can be adjusted at will. 5. with ... fountains, waterfall, stream, indoor & outdoor water-column lamps. submersible pump