The TetraPond 325 gph Water Garden Pump is designed to power waterfalls, filters, and fountain heads. This energy efficient pump uses reliable magnetic technology, and is recommended by the manufacturer for ponds 50-150 gallons in size. Powerful enough to run a submersible filter system or a bio-filter gravity return system. Connects to ½" & ¾" ID tubing (tubing sold separately). 325 gph at 1 foot. 22 watts. 120 V/60 Hz. 12 foot power cord. UL listed. Includes a 3-year limited manufacturer's warranty.