Pleatco PWW50P3-M Replacement Cartridge for Waterway Front Access Skimmer， Aber Hot Tubs， (MICROBAN)， 1 Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement cartridge for waterway front access skimmer， aber hot tubs</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 CH-940 and filbur FC-0359; made in usa; microban inhibits the growth of stain and odor causing microbes like bacteria and algea</li><li>Measures 6-inches in diameter by 7-5/8-inches in length and 1-1/2-inches of bottom hole diameter</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51TK62kf1uL.jpg" noproxy>