The Little Giant Automatic Hydroponic Pump (505355) moves 1,200 gallons per minute of water. It is built with a corrosion-resistant body, specifically designed for submersible usage. The bottom intake design with pre-screen helps to protect against debris. Ideal for applications that require intermittent pump cycling/water flow, this Pump removes water to within 1/8" of your surface. Typical applications include commercial, industrial, and home uses where liquid must be transferred or recirculated.