Functions:1)Providing 4.99kgs oxygen per hour in the water of fishing ponds to prevent shrimp,fish,eel or other aquatic products from dying caused by lack of oxygen,especially in the bad wheather.2)Increasing water current to make shrimp,fish and other aquatic products grow more quickly and healthly.Main Parts:1)Motor(1hp/2hp,3phase/1phase,4polars,voltage can be produced according to customer's own country's requirement)2)Low Friction Gear Reducer3)Impeller4)HDPE Float