Pentair 355270 Diffuser Replacement Challenger High Pressure Swimming Pool Inground Pump<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diffuser replacement</li><li>Fits Pentair Challenger high pressure swimming pool inground pumps models CHII-NI-1-1/2F， CHII-NI-2A</li><li>Measures 6-1/2-inch length by 8-1/2-inch height by 7-1/2-inch width</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41OjEq4qdlL.jpg" noproxy>