Elemental H2O Pumps feature waterproof motor casing, durable ceramic shafts, corrosion-resistant housing and adjustable flow rates for excellent performance. The submersible 5W H2O Pump pushes 97 gph and has a maximum head of 2.45’. This product is UL listed and carries a one-year warranty. 1/2" Fitting for connecting to standard 1/2" ID flexible tubing.