Aqua Pure C-CYST-FF Undersink Filter Replacement Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>0.5 Micron Nominal Filtration</li><li>Capacity: 2，000 gallons (2，839 liters)</li><li>Quick Change (SQC) Design helps provide no spill， no mess cartridge change-out</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31%2BCRerzcsL.jpg" noproxy>