Pentair 154570 6-Inch Buttress Thread Closure Replacement Triton II Pool and Spa Fiberglass Sand Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Buttress thread closure replacement</li><li>Fits Pentair Triton II pool and spa fiberglass sand filter models TR100， TR140</li><li>Measures 6-inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51aVECgNPjL.jpg" noproxy>