The Active Aqua AAPW550 submersible 550 gallons per hour water pump is ideal for hydroponic systems with 55-gallon reservoirs. The Active Aqua 550 gph submersible pump includes 1/2 and 3/4-inch hose fittings. This pump's powerful mag drive construction includes removable foam filters, impellers, rubber mounting feet to reduce vibration, and a 10-foot heavy duty power cord. This pump is oil free and UL-listed. Comes with a 1-year warranty.