Mechanical Surface Aerator Unit has oxygen transfer capacity that varies from 1.6 -2.2 kg per H.P. Per hour. The Surface Aerator Unit is manufactured from carbon steel or stainless steel as per customised requirement. The Aerator Unit is available in fixed and floating aeration options. Mechanical Surface Aerator Unit has floating aeration where the device is supported on floating pontoon[s] which are interconnected through a steel frame forming floating platform around the aerator and the fixed aerator is mounted on a special platform to the ground.