Pentair 154494 O-Ring Valve Adapter for Tagelus and Triton C-3 Sand Filters<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>O-ring for valve adapter</li><li>Also fits Pentair Tagelus and Triton C-3 fiberglass pool and spa sand filter models TA 30D， TA 35D， TA 40D， TA 50D， TA 60D， TR 100C-3， TR 140C-3</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31wlE2LPWIL.jpg" noproxy>