Omnipure CL10ROT28-B Inline Filter Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Standard Coconut Shell GAC - Ideal for use as RO Prefiltration</li><li>Sediment Filtration: 5 Micron Nominal Rating</li><li>Service life: 1，500 Gallons (or 1 year maximum)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31P9uAqC2EL.jpg" noproxy>