Little Giant Submersible Pump 300 GPH # PES-290-PW (566717). Replaces 240 GPH # PES-230-PW (565293). Little Giant statuary and fountain pump. Wet rotor (magnetic drive) fountain pump. Wet rotor pumps are the most energy-efficient type of pump. Compact in design and made with corrosion-resistant plastic. Operates submersed only.