1,High quality motor 2,Low friction gear reducer 3,Sturdy stainless steel Frame 4,High performace impeller, 5, HDPE float Aquaculture Aerator Speficitation: ModelHPPhaseVoltageCover AreaOxygen Transfer20/40/40H LoadYC1.523380V~440V0.75-1.2acre2.6kg/h60/130/140Main parts NO.Item NameQuantiyReferanceFunction1Motor1set1.5kw,air cooling,electric and manual sartProvide power2Reducer1setGear style, 14: ...