Pentair GRO-75EN/4002575 Encapsulated GPD Membrane<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Used in most conventional units</li><li>Produces excellent quality water</li><li>Thin layer composite membrane gives you less waste water almost at a 1:1 ratio</li><li>Quick connect fittings make installation and replacement a breeze</li><li>Output capacity of up to 75 gallons per day</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31os297iPuL.jpg" noproxy>