HydroTools by Swimline O Ring<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Great replacement part</li><li>Fit for models 87501 and 87505</li><li>Designed for hydro tools chlorinators</li><li>Maintain your chlorinator's functionality</li><li>Original equipment manufacturer parts</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31G4FbMefxL.jpg" noproxy>