Guardian Pool Spa Filter Replaces Unicel 6CH-47RA--Filbur Fc-0315M--Pleatco Ptl47W-P4-M ， Antimicrobial<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Outside Diameter: 6"</li><li>Length: 8 1/2" (also 9”)</li><li>Top Opening: Handle</li><li>Bottom Opening: 1 1/2" MPT Threaded， Male Thread</li><li>Media Weight - 3 oz.</li><li>SQ FT Media - 47' sqft</li><li>Unicel – 6CH-47 (6CH47)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/415oeavjrTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-ZYyRsYWL.jpg" noproxy>