"FC" Tournament Series™ Removable Motor Cartridge.For Thru-Hull Applications Straight 4-3/4" Pickup TubeThese new pumps are built on Rule's unsurpassed quality and leadership in pump design and technology. The innovative design includes many new and exciting features including a quick, on hand "push button" motor cartridge removal system, rotatable base that allows you to position the discharge nozzle at any location and treaded nylon hose barb attachments which allow for various hose mounting options. Other features include a built-in dual port option, water-cooled housing, and positive snap motor cartridge locking mechanism.