Pentair 154598 Diffuser Assembly Replacement Pool and Spa Fiberglass Sand Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diffuser assembly replacement</li><li>Fits Pentair Triton II pool and spa fiberglass sand filter models TR40， TR50</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51z9q4rnjHL.jpg" noproxy>