Aqua Void automatic submersible bilge pump with integrated switch features a quick-change motor connection for hassle-free cartridge motor changes or capacity upgrades. Industry first and only cartridge motor pump with included harness connection requiring no cutting and splicing of wires. No tools needed for maintenance, no need for complete disassembly. You can leave the pump casing attached to both the boat and the hoses. Heightened Efficiency with an increased flow rate - high flow impeller design. Compact, all-in-one motor/impeller unit with stainless steel (316) shaft. Includes both a straight, and a 90° smooth elbow easy to install Dura-Port as well. Cartridge pumps can be combined with either an automatic switch AS888, an electronic float switch or Ultima switch for automatic operation