This is the new Aero-Tube corrosion resistant airlift in a shrimp pond in Vietnam. With 4 Aero-Tube aeration grids and a 1.6 kW blower, the water movement and pond mixing is outstanding.
Video shows a comparison between a tank using drilled PVC covered with a rubber perforated membrane (36 meters total) with an Aero-Tube diffuser grid (20 meters of tubing. Notice the difference in flow in the tank and the size/number of bubbles.