Pleatco PSG27.5-M Replacement Cartridge for Saratoga Spas Circulation Pump (MICROBAN)， 1 Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement filter for pool and spa cleaning systems</li><li>50% open ABS free flow cores maximize water flow through REEMAY filter media; Microban inhibits the growth of stain and odor causing microbes like bacteria and algea</li><li>Antimicrobial end caps resist chlorine degradation and provide support to filter material for a longer life span</li><li>11-3/8-by-1.9-inches Keyed with handle</li><li>Made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/11fTeoV9NAL.jpg" noproxy>