Atlantic Tidal Wave TT-Series submersible pumps are the ideal choice for koi ponds, waterfalls, water gardens and fountains. They pump more water for less watts, making them the ideal energy efficient choice for continuously operated water features. A remarkably compact design allows intallation in the tightest pump vaults and skimmers, and can be run vertically or horizontally. The TT-Series line is also specifically designed to be clog-resistant and hard water-tolerant, making them the perfect choice for an extreme wide variety of applications. Energy efficient asynchronous motor Heavy-duty pre-filter resists clogging Compact design 20' power cord 4000 GPH / 15,140 LPH 120V 2.0A 230W