Gusher 10 Manual Bilge Pump Thru Deck/Bulkhead Mount. Whale's long life diecast alloy range - robust designs for extreme conditions.. Install Gusher 10 for the long haul.. Features. Durable Diecast Alloy Bilge Pump. Robust design stands up to the toughest marine conditions. Top performance- High flow non-choke valves, 65 ltrs (17 US gals) per minute. 3 mounting options available Bulkhead, floor or thru deck mounting. Designed for simple installation and maintenance. Efficiency - Large non-choke valves. Ideal for workboats, cruisers, offshore racing. Easy pump action - Self priming. Suitable for diesel transfer with Nitrile diaphragm (service kit AK3714 available separately). WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.