Pleatco PA25-M4 Replacement Cartridge for Hayward， Star-Clear C-250 (MICROBAN)， 1 Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement cartridge for Hayward， star-clear c-250</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-4950 and filbur FC-2390M; made in usa; microban inhibits the growth of stain and odor causing microbes like bacteria and algae</li><li>Measures 7-inches in diameter by 9-11/16-inches in length and 3-inches of top and bottom hole diameters</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Ru51O1BwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31HMsBNOpcL.jpg" noproxy>