Supreme-Hydroponics 16775 Replacement Fractionating Impeller Assembly for Pump Model 18</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Direct replacement for original impeller assures perfect fit</li><li>Complete impeller includes end caps， shaft， magnet and impeller head</li><li>Restores pump to original capacity</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/418vTOzgzuL.jpg' noproxy></br>