Whale's long-life, die-cast alloy pump features a robust design for extreme conditions. This Gusher 10 pump is manufactured by hand using high-grade materials. Install the Gusher 10, and fully expect a long life with top performance action. Features:• Robust design stands up to the toughest marine conditions• Top performance - High-flow, non-choke valves pump 17 gallons per minute• Designed for simple installation and maintenance• Efficiency - Large, non-choke valves• Ideal for workboats, cruisers, and offshore racing boats• Easy-pump action is self-priming• 3 mounting options available: Bulkhead, Floor, or Thru-Deck mounting Large, non-choke valves increase efficiency Self-priming with easy-pump action | Gusher 10 Manual Bilge Pump