Pleatco PPF33 Cartridge/Grid Replacement for Pentair Purex Cf 33/66/100<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Pleatco Cartridge Filter replacement Cartridge/Grid</li><li>Pentair Purex CF 33/66/100</li><li>Unicel: C-7433; Mfg.No.:P-05237</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41bM3zubz2L.jpg" noproxy>