... Four blade high efficiency impeller AAA: Advanced technology, Assurable quality, Authentic reputation (impeller, stirrer, rabbler, beater, propeller, mixing blade ... . Dimensions of Four-Blade PropellersDJdd2hB1B2h1d1d0δ(kg) WeightKSXZSX200254040804010M6 ... impeller can be made according to the request of customers, and wheel hup height is the same as the inner hole. Four blade high efficiency impeller ...