Watts Premier 18 GPD MEMBRANE PART 560012<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Compatible with the Premier Standard Reverse Osmosis Systems.</li><li>This semi permeable membrane effectively reduces TDS and sodium as well as a wide range of contaminants such as Arsenic， Lead， Percholate， Chromium， Copper， Radium and Protozoan Cysts， such as Giardia and Cryptosporidium.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41stbzGDhbL.jpg" noproxy>