Dow Filmtec ® commercial reverse osmosis membranes.
See Residential Dow Filmtec reversers osmosis membranes
FILMTEC XLE-2521 RO Reverse Osmosis Membrane Element
FILMTEC™ XLE-2521 Elements offer better system performance and economics for small commercial systems by operating at very low applied pressure. FILMTEC XLE-2521 elements are tape-wrapped. In addition to high quality water and low energy costs, FILMTEC membranes also deliver savings by providing long lasting and reliable performance.