Pleatco PPR75 Replacement Cartridge for Premier Maxi Sweep， (3 or 4 required)， 1 Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement cartridge for premier maxi sweep</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-5371 and filbur FC-2018; made in usa; microban inhibits the growth of stain and odor causing microbes like bacteria and algea</li><li>Measures 5-3/16-inches in diameter by 23-1/4-inches in length and 1-5/8-inches of top and bottom hole diameters</li></ul></div><img src="http://ecx.images-amazon.com/images/I/219ltEf0oiL.jpg" noproxy>