... ~60HZ1.5kw3.4A4.2kg/h22kgFeatures1,Outstanding mechanical design,oxygen equipment for aquaculture2,especially suitable for saltwater and freshwater ... aquaculture, and industrial wastewater treatment3,Provide high dissolved oxygen level, balance water temperature, purify water and manufacturing ... current jet to bottom and surface,produce enough oxygen,and eliminate harmful and poisonous gas in the ...