... ,different delivery heads 3,adjustable flow controller aquarium pump HL-4501,with finger light, LED lights, ... use. 2. Compact design, quiet, safe and long lasting. 3. High efficient-save on operating cost, ... that it is connected only to properly grounding-type receptacle.2, Do not connect to any ... with water above 35C (95F).6, Operate pump completely submerged for proper cooling.7, Not for swimming pool ...