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, 240V Aerating Fountain comes with a GFCB protected C-85 control panel with timer, protected outlet for lights and photo eye for light operation (An electrician should install the C-85 and fountain if you plan to hard-wire the fountain into the C-85).