Stanley PoolTec 12278 Replacement Filter Cartridge for Intex Recreation Sand N Sun Model 51 and 52， B 59905<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Equivalent to: Pool master 12277， Pleatco PIN20， Unicel C-5315</li><li>Replacement for Intex Recreation Sand N Sun Model 51 &amp; 52， Model B 59905</li><li>5.75" diameter x 10" high</li><li>3 oz. media</li><li>15 square feet</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41PdDlJXmlL.jpg" noproxy>