Pleatco PVT30WH-M Replacement Cartridge for Vita Spa AB5-300 (MICROBAN)， 1 Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement cartridge for vita spa ab5-300</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 and filbur FC-3052; made in usa; microban inhibits the growth of stain and odor causing microbes like bacteria and algea</li><li>Measures 8-1/2-inches in diameter by 6-3/4-inches in length and 2-3/8-inches of bottom hole diameter</li></ul></div><img src="http://ecx.images-amazon.com/images/I/61FvjD0marL.jpg" noproxy>