Check the listing for details. Danner 12791 Model 24B Replacement Pump Impeller for Mag Drive 24, Pond Mag 24. Condition: New. Listed at 109.00 USD. Danner 12791 Model 24B Replacement Impeller For Mag Drive 24, Pond Mag 24Replacement impeller, manufactured by Danner.Compatible with the Pondmaster Pond Mag and Supreme Mag Drive Model 24.Complete impeller includes end caps, shaft, magnet, and impeller head.Most pumps require occasional replacement of their impellers in order to ensure maximum efficiency. Danner part number: 12791.Replacement impeller, manufactured by Danner. Compatible with the Pondmaster Pond Mag 24, as well as the Supreme Mag Drive 24. This complete impeller assembly includes end caps, shaft, magnet, and impeller head. Most pumps require occasional replacement of their impellers in order to ensure maximum efficiency. As it is a constantly moving part, wear is to be expected, and they will eventually cease working. If your pump has stopped pushing water, but is humming like it is working, you likely need to replace the impeller. Magnetic Drive Impeller Replacement Video will open in a new window Using the eBay App? Paste link into a browser window: [isdntekvideo]