Hayward CX900F Filter Head O-Ring Replacement for Hayward Star-Clear Plus Cartridge Filter Series and Separation Tank<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Filter head o-ring replacement</li><li>Fits hayward star-clear plus cartridge filter series and separation tank</li><li>Weighs 5.5 pounds</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31DhH8-2OhL.jpg" noproxy>