We stock and supply RO membranes specifically designed for processing high salinity seawater. Suitable for both land and sea based desalination systems including maritime applications and on-board watermakers. All diameters supplied including 2.5, 4 and 8" from Dupont FilmTec, Nitto Hydranautics and Toray. Can't find what you're looking for? Get in touch and we'll bring it in for you!