Axeon HR3 Series Polyamide Thin Film Composite High Rejection Reverse Osmosis Membrane， 2200 gpd Flow Rate， 2 - 11 pH Range<img src="http://ecx.images-amazon.com/images/I/31ZtP6oPk-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31CAEecrjpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BOiMHE92L.jpg" noproxy>