... (cm):110*53*15 ,43*18*19 Characteristic.1, the impeller is a propeller structure, has strong dynamic flow, can send ... of oxygenating sufficiently, we can make highly intensive farming, an aerator can cover the area of 5 mus4, diving depth and ... adjusted, that should suitable for different environment5, In winter the aerator particularly applicable for ice areas, and will melt ice by ...