Pentair 355315 Impeller Replacement Kit Challenger High Pressure Swimming Pool Inground Pump<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Impeller replacement</li><li>Fits Pentair Challenger high pressure swimming pool inground pumps CHII-NI-1-1/2F， CHII-NI-2A</li><li>Measures 5-inch length by 2-1/4-inch height by 5-inch width</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41dp%2BzeojRL.jpg" noproxy>