Pentair 85015100 Bottom O-Ring Replacement Admiral S20 Pool and Spa Skimmer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Bottom o-ring replacement</li><li>Fits Pentair Admiral pool and spa skimmer model S20</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41SmJ3UTY6L.jpg" noproxy>