Austin Springs AS-DW-R Drinking Water Replacement Filters with Dual Cartridge Set<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement cartridge works with the Countertop (AS-DW-CT-P) and Under Counter (AS-DW-UC) filtration systems</li><li>NSF Certified to remove over 60 water contaminants including 97 percent of chlorine and chloramines (chlorine &amp; ammonia disinfectant) in tap water</li><li>Easy to install， maintain and replace - no tools required</li><li>Long-lasting filters are good for up to 6 months</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51J0GiiXDwL.jpg" noproxy>