Dow Filmtec XLE-4040 Extra Low Energy Commercial RO Membrane<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>New Dow Filmtec XLE elements offer better system performance and economics by operating at a very low applied pressure</li><li>Dow Filmtec membranes are available in a variety of sizes to meet a range of space requirements</li><li>May be cleaned over a wide range of pH levels (pH 1-13) for maximum cleaning effectiveness</li><li>Maximum Pressure Drop: 13 psig</li><li>Free Chlorine Tolerance:</li></ul></div><img src="http://ecx.images-amazon.com/images/I/212KMKyZGLL.jpg" noproxy>