Microline TFC 25 gpd Membrane S1227RS<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Thin Film Composite (TFC) membrane， an enduring industry standard</li><li>25 gallons per day of premium RO water</li><li>Use a carbon pre-filter before this membrane (not chlorine resistant).</li><li>Also known as TFC-25， for easy reference</li></ul></div><img src="http://ecx.images-amazon.com/images/I/311ZGcKn%2BFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311ZGcKn%2BFL.jpg" noproxy>