The 2400AF High Oxygen Transfer Aerator produces a crown of water at the surface, adding 1.5 lbs. of oxygen per hour. Draws 5 Amps @ 120V. Includes float with two 50-ft. mooring ropes. Requires only 15in. of water to operate. ETL approved to UL and CSA standards. Pond aerators add the most oxygen to your pond. Includes a black float, two 50-ft. mooring ropes and power cord. Control box and bottom screen not included. Other cord sizes and voltages available.