MSR SweetWater Replacement FilterA<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Recharge your SweetWater Microfilter with a new cartridge. Filters up to 750 liters. WT: 3.6 OZ</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31qUKKDz0ZL.jpg" noproxy>