Pleatco PRB35-IN-M Replacement Cartridge for Dynamic Series IV - DFM， DFML， Waterway 35， In-Line (MICROBAN)， 1 Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement cartridge for dynamic series iv - dfm， dfml， waterway 35， in-line</li><li>50 Percent open ABS free flow cores maximize water flow through reemay filter media</li><li>Antimicrobial end caps resist chlorine degradation and provide support to filter material for a longer life span</li><li>Replaces unicel C-4335 and filbur fc-2385; made in usa; microban inhibits the growth of stain and odor causing microbes like bacteria and algea</li><li>Measures 5-inches in diameter by 9-1/4-inches in length and 2-1/8 inches in top hole and 2-1/8-inches in bottom hole diameter</li></ul></div><img src="http://ecx.images-amazon.com/images/I/517vKOFJ0jL.jpg" noproxy>