Product Name: 6PCS Impellers High Speed Paddlewheel Aerator (HS-2.2) Model NO.: HS-2.2 Finished processing machinery: Fishmeal and Fish Oil Processing Machinery Condition: New Certification: CE, ISO9001:2008 Fishing Auxiliary Machinery Type: Fishing Tackle Auxiliary Machinery Fishing Method: Whaling Machinery Harvesting Machinery Type: Fishing Auxiliary Machinery Power Source: Electric Working Method: Manul Type: Farming Machinery Model HS-2.2: Power 2.2kw Impeller 6PCS: Working Aera: 5-12 Transport Package: Carton Origin: Taizhou Zhejiang HS Code: 8413709010 Product Description this kind of aerator have 3 kinds, that is 2pcs impellers, 4impellers and 6 impellers,