The Attwood 5612-7 Tsunami MK2 1200 GPH 12-Volt Thread Manual Bilge Pump is a reliable and efficient pump designed for manual bilge water removal. With a pumping capacity of 1200 gallons per hour, this 12-volt pump is threaded for ease of installation and operation. The Tsunami MK2 Bilge Pump is a practical choice for boat owners seeking a manual pump solution for effective water drainage in various marine applications.