Pleatco PPM50TC Replacement Cartridge for Pacific Marquis 50 (Old Style)， 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</li><li>Antimicrobial end caps resist chlorine degradation and provide support to filter material for a longer life span</li><li>14-1/6-by-1-5/8-inches with closed top</li><li>Made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31xzc%2BUWNYL.jpg" noproxy>