This is a high quality unit for small water features. We do not sell inferior solar products. We could, and we could sell them for less, but we do not. Period.

 5/16" tubing. Please note the pump curve below.....

• For Small Fountains, Up to 45gph and 27" head. Uses 5/16" i.d. tubing. Solar panel approx. 5x5inches. Pump 1.5 x3x2.5 tall approx. For pump curve see more details. Please note that solar does not work when sunlight is blocked. Solar pumps go on and off depending on clouds/sunlight. 1.Solar panel Peak Watt:1.5W Max-Power Voltage：6V Max-power Current ：250mA WITH NOZZLE KIT 2-year warranty See PUMP CURVE in More Details