Practical and Convenient: The specially designed snap on filter of the electric bilge submersible pump is easy to install and operate. Easy to Use: Electric Automatic Water Drainage Pump is equipped with built in electronic controlled reed sensor system for easy fully automatic operation.The special design of snap type strainer for easy installation. Attention Please: When water level rises, please ensure no power connect until the pump is activated by internal float switch. Great Replacement: Bilge Submersible Pump is built to meet standard specification, strictly follow factory quality control, great replacement for your old ones which offers better performance. High Quality: The electric bilge submersible pump has a compact design, better flame resistance and non dry running performance, and good sealing performance.