knifel submersible pump 880gph ultra quiet with dry burning protection 10.2ft high lift for fountains, hydroponics, ponds, aquariums & more............ knifel <b>specifications</b><br> max flow rate:880gph<br> max head:10ft<br>length of power cord: 6.1ft<br>power: ac110-120v/60hz 60w ipx8 <br> nozzles: 0.75in, 0.62in, 0.51in<br> dimension: l5.1*w3.4*h4.5(in) <br><br> <b>package include:</b><br> 1*pump <br> 1*instruction manual <br> 3*nozzles<br> <br><b>note:</b> <br>1. please use socket with stable voltage and keep the motor running within rated power to ensure long lifespan.<br> 2. if the product suddenly stop working or makes noises, which may caused by debris blockage. please clean it regularly,about once every two weeks, or add some olive oil on the rotor.<br> 3.please pay attention to the water level and layout of the tank before purchasing. if there is too little water, the motor power is too high, and as the water level changes, the splashed water will make a lot of noise. different pumps are suitable for different water tanks.<br> 4. the flow rate is 880gph; there might be a plus-minus tolerance, insufficient power and insufficient frequency would affect the flow rate.if connected with a water pipe, the flow rate would less than 880gph. if the water sprays out the container, the flow rate would also less than 880gph.<br>