Pleatco PLBS50-M Replacement Cartridge for Leisure Bay， Dynasty Spas (MICROBAN)， 1 Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement cartridge for leisure bay， dynasty spas</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-5345 and filbur FC-2970; made in usa; microban inhibits the growth of stain and odor causing microbes like bacteria and algea</li><li>Measures 5-5/16-inches in diameter by 10-1/8-inches in length and 2 1/8-inches of top and bottom hole diameters</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Ex84EKSeL.jpg" noproxy>