The Supreme Hydro, 300 GPH, De-watering Pump is a magnetically driven centrifugal water pump. It has no seals to wear and contains no oil. The pump has a 3/4" garden hose thread on the pump outlet. A garden hose can be used to direct the water away from any Hydroponic systems or Pool applications. The Supreme Hydro 300 GPH de-watering weighs under 3 pounds and is perfect for smaller de-watering needs. 1 Year limited manufacturer warranty All our pump products are certified to UL or ETL standard Weight: 2.75 lbs., Outlet: 3/4” Garden Hose Thread (GHT), Watts: 18 Max, Amps: .2A Max, Shut Off Height: 6’ , Max Flow Rate: 300 GPH