Johnson Pump Cartridge Combo Bilge Pump 1000GPH 12V. Cartridge allows easy replacement of motor element. Includes removeable check valve and 3/4in straight and 90deg. Dura Port fittings. Features of Johnson Pump Cartridge Combo Bilge Pump 1000GPH 12V: 12V 1000Gph cartridge bilge pump Combines cartridge pump with electro-magnetic float switch Cartridge allows easy replacement of motor element Includes removable check valve and 3/4 inch Straight and 90Degree Dura port fittings Included Accessories: Cartridge Combo Bilge Pump 1000GPH Documentation Package Contents: Johnson Pump Cartridge Combo Bilge Pump 1000GPH 12V Johnson Pump 05903-00: Cartridge Combo Bilge Pump 1000GPH 12V