Maintain a healthy aquatic environment and circulate pond water in medium ponds up to 600 gallons with the TotalPond 330 GPH Pond Pump. Quiet and energy-efficient, this compact, submersible pump fits perfectly into existing water features and helps maintain a healthy environment. High-quality neodymium magnet ceramic shafts and bearings, as well as flex split-impeller technology, supply undisrupted flow enhancing its reliability. Included with the pump is a tubing adapter with built-in adjustable flow control to fine-tune the flow rate. The 16 ft. long power cord has a compact plug that is designed to easily fit through 1 in. ID (inner diameter) conduit for set-ups wanting to hide the cord. The pump connects easily to 3/4 in. ID tubing. Its threaded outlet allows connection to nozzle kits and other water features. Pond Pumps are multi-purpose and can be used in a variety of applications, including ponds, disappearing or hidden water features, and hydroponic systems. When it's time to perform routine maintenance on the pump, no tools are needed, thanks to the uncomplicated, quick access design to all moving parts. This pump is rated for use in freshwater temperatures ranging from 41°F to 86°F. It's not recommended for use in heavily chlorinated water or water with high pH levels. The ETL-approved, TotalPond 330 GPH Pond Pump is supported by a 2-year manufacturer warranty.