... exported to India, Germany,the United Kingdom,ect paddle wheel aeratorTypePowerVoltageFrequencyElectric currentOxygen deliveryTotal weightSJ-2W1.5KW3.2KG/H3- ... dissolved oxygen fast, efficient use of water tankers flow generated by waves, quickly underwater aeration disc oxygen ... underwater, underwater high-speed rotating impeller driven aeration flow quickly spread.3, aerobic plus the double-effect ...