NURFILTER 50GPD Reverse Osmosis RO MEMBRANE REPLACEMENT filtration system NSF certified -COMPATIBLE FOR ALMOST ALL RO SYSTEMS ON THE MARKET<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The reverse osmosis membrane remove the particles of heavy metal (primarily calcium and magnesium， lead， chromium and nitrates)， bacterial and any other carbonates from source water.</li><li>This membrane can be used to replace CSM， Axeon， Dow FilmTec， GE， and any other 1812 style membranes</li><li>Rejects wide spectrum of impurities down to .0001 micron. 50 gallons per day - production rate under ideal conditions 95-97% Rejection Rate</li><li>Thin Film Composite TFC Membrane Reverse Osmosis can produce better， cleaner water for your household to consume and enjoy.</li><li>Spiral Wound Design for superior membrane flux with high active membrane surface area.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/518X7EpHjHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Wax9RoolL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ZqHXwfGcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/510h6NGgHXL.jpg" noproxy>