2 Guardian Pool Spa Filter Replaces Unicel C-5345--FC-2970--PlbS50--Rainbow Waterway Plastics<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Outside Diameter: 5 5/16"</li><li>Length 10 1/8"</li><li>Top Opening: 2 1/8"</li><li>Bottom Opening: 2 1/8"</li><li>Media Weight - 3 oz.</li><li>SQ FT Media - 45'</li><li>Unicel - C-5345 (C5345)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/311pfwMf1EL.jpg" noproxy>