Automatic bilge pumps with built-in switch. Removal of the motor cartridge allows for easy cleaning of the strainer and impeller in the event that the pump becomes clogged with debris. Electric Submersible Pumps are by far the most popular type of electric bilge pumps, submersibles give very high outputs, are cost effective, have low amp draw and are easy to install. Bilge pumps are designed to exhaust standing water only. They are not intended to prevent quick accumulation of on-board water due to rough weather, hull damage, and/or other unsafe navigational conditions. Features: All-in-one pump & switch - No float switch required. Pump turns on when water level rises & shuts off when water is removed. Water cooled motors for long life, with anti airlock design and moisture tight seals. Heavy duty motors with stainless steel shafts and tough thermoplastic bodies. Includes comprehensive user manual with installation instructions and wiring diagram. Snap-off strainer for easy cleaning. Connections: For 19mm (3/4") bore hose for 600GPH & 750GPH, 29mm hore hose for 1100GPH. Totally submersible and ignition protected. Compact pump for smaller vessels. No seperate float switch is needed. Fully automatic bilge pump. Built-in float switch system. No power use until pump turns on when water rises. Built with compact, effecient, long life motor. Ignition and corrosion protected stainless steel shaft. Specifications: Material: plastic Voltage: DC12V, DC24V (optional) Flow: 600GPH, 750GPH, 1100GPH (optional) Connections: For 19mm (3/4") bore hose for 600GPH &750GPH, 29mm hore hose for 1100GPH Item size: 145 * 100 * 78mm / 5.7 * 3.9 * 3.1in Item weight: 450g / 1.0lb Package size: 200 * 100 * 50mm / 7.9 * 3.9 * 2.0in Package weight: 500g / 1.1lb Package List: 1 * Auto Bilge Pump