This Kasco Aerating Fountain improves the water quality of your medium to large sized lake/pond. The fountain makes a "V" clog-resistant fountain pattern that is 7' tall x 21' wide. This 1HP, 120V Aerating Fountain comes with a GFCI protected C-25 control panel, 120V control with timer and photo eye for light operation (You don't need an electrician to install the C-25 if an existing 120V, 15A receptacle is available).