... , Authentic reputation (impeller, stirrer, rabbler, beater, propeller, mixing blade, paddle, mixing arm)The axial flow paddles have large onflow ... suspending and oxygen dissolving of biology ferment. Dimensions of Triple Blade Propeller DJdd2hBh1d1d0h2D2δ(kg) KHXKCXKWX2002540408010M6-7513041.1682.0181.8382203045408810M6-7513051. ... the same as the inner hole. Three wide blade high efficiency impeller