All our pump products are certified to UL or ETL standards Pondmaster ECO Water Pumps feature a built-in variable flow control and are specifically designed for small-to-medium size ponds, statuary and aquarium applications Built to run steady and quiet, they will never intrude on the tranquility of any water feature or home aquarium. Energy efficient Magnetic Drive Pump Debris reducing prefilter All fittings included 2 Year limited warranty Max. Flow Rate: 175 GPH Max. Pumping Height: 4' Volts: 120 / 60Hz Intake: Screened* Discharge: 1/2" and 3/8" Threaded Barbed Fitting Cord Length: 15' with Ground Plug *Includes 3/4" Threaded for Inline use w/ screen removed.