Pleatco PTL25W-P4-4 Cartridge/Grid Replacement for Four Seasons Spa<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Pleatco Cartridge Filter replacement Cartridge/Grid</li><li>Four Seasons Spa</li><li>Unicel: C-6601; Filbur: FC-3083</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41h3Jc9nbWL.jpg" noproxy>