Little Giant 505355 Automatic Hydroponic Pump, 1200GPHThe Little Giant automatic hydroponic pump moves 1,200 gallons per minute of water. It is built with a corrosion resistant body, specifically designed for submersible usage. Designed with a bottom intake design with pre screen to protect against debris. Automatic transfer pump that removes water to within 1 8" of surface. Highlights: Automatic transfer pump Removes water to within 1 8" of surface Completely submersible Bottom intake design with pre